Wednesday

April 16, 2014

April 16, 2014

Number of results: 92,664

**circle inscribed**

--------------- QUESTION FOLLOWS -------------------------- Can someone Please help I definitely do not know how to do this. A)Find x, to find x you need to add the arc measures together and set the expression equal to the total degrees of circle then solve for X, must show ...
*Tuesday, May 22, 2012 at 7:04pm by lilman*

**geometry**

In a circle, the perpendicular from the centre to any chord bisects the chord. Refer to your diagram to figure out the answer to the question.
*Tuesday, August 31, 2010 at 6:35pm by MathMate*

**Geometry**

draw a cross-section diagram, that is, draw a circle with radius 13 draw a chord which is 5 cm from the centre. Draw a perpendicular from the circle to the plane. You have 2 congruent right-angled triangles with hypotenuse 13 and side 5, let the other side be x x^2 + 5^2 = 13^...
*Thursday, May 19, 2011 at 11:09pm by Reiny*

**can xome1 help me plzz im stuck**

HELP PLZZ...A circle has radius 2 cm,(in that circle there is a traingle ABO) O is the centre of the circle. the chord AB has length 3 cm. . BO is 2cm AO is 2cm (i) Show that AOB is 1.696 radians (to three decimal places). (ii) Hence ﬁnd the area of the (smaller) ...
*Sunday, September 16, 2007 at 5:43pm by hii*

**trig**

Connecting the center of the circle with the 2 ends of the chord makes an isc.. triangle. Half of that is a right triangle. The angle at the center of the circle is 39.1º and 1/2 the chord is 59.2 cm. 59.2 = r*sin(12/2) solve for r.
*Tuesday, July 3, 2012 at 9:51am by bobpursley*

**Precalculus**

The figure shows part of a curve traced by a point on the circumference of a circle of radius 4 that rotates, without slipping, around a fixed circle of radius 2. The rotating circle starts with angle t = 0 radians and the point P (x, y) at (10, 0). In this problem you will ...
*Friday, January 20, 2012 at 3:42pm by Anon*

**geometry**

In the diagram, circle A is tangent to circle C, and segment BE is tangent to circle A. The radius of circle A is 11 meters and the radius of circle C is 8 meters. Find the area of triangle ABE to the nearest square meter.
*Thursday, April 4, 2013 at 1:30am by joe*

**Math- Circles**

Suppose you have a perpendicular bisector of a chord passing through the center of a circle. The perpendicular from the center of the circle bisects the chord giving the chord two equal sides.Are the two sides guaranteed to be perpendicular?? I am assuming that you mean "Are ...
*Wednesday, September 26, 2007 at 5:15pm by tchrwill*

**Maths**

This one has been answered before, just before you stopped posting the remainder. Use intersecting chord properties. The intersection could be inside or outside the circle. AB and CD are chord which intersect at O (inside or outside the circle). Then OA*OB=OC*OD
*Wednesday, May 29, 2013 at 4:29am by MathMate*

**;lllllll,**

If segment AC is the diameter of the circle and AC = 21 cm, what is the length of arc AB? Use 3.14 for pi.
*Wednesday, June 9, 2010 at 10:31am by Anonymous*

**geometry**

ABC is an isosceles triangle inscribed within a circle of radius 4,such that side BC passes through the center.What is the length of the arc segment AC?
*Thursday, May 20, 2010 at 12:25pm by Amanda*

**Geometery**

To construct a segment congruent to CB set the compass to the length CB Place the compass at a new point D Draw an arc EF Draw a line from D to any point G on the arc EF. DG is congruent to CB. Having the segment point D and arc EF, Place the compass at B and set it to the ...
*Thursday, February 23, 2012 at 8:29pm by Steve*

**GEOMETRY INSCRIBED ANGLES MULTIPLE CHOICE QUESTION**

segment BC is tangent to circle A at B and to circle D at C. (Not drawn to scale) AB=10 BC=25 and DC=3. Find AD to the nearest tenth. Hint: Draw an auxiliary line from D to segment BA. {There are two circles, the larger one has point A in the center and a dotted line going up ...
*Tuesday, May 15, 2012 at 9:50am by aYaMe ;)*

**Geometry**

how to you solve: the radius of circle Z is 13.5 units long. Find the length of each arc for the given angle measure. if the angle measure is 120 degrees?
*Tuesday, April 19, 2011 at 8:06am by Rachel*

**Geometry**

Don't know about anybody else, but I find the description of your diagram very confusing. "I have a circle with a Tangent line, DE, running along it and connecting with another line, FC, which runs through the center of the circle to the other side." Is E the contact point? ...
*Wednesday, June 3, 2009 at 8:49pm by Reiny*

**geometry**

If a chord 10 inches long is 5 inches from the center of a circle, find the radius of the circle.
*Friday, February 18, 2011 at 9:30am by john*

**geometrey**

a chord of 42 cm with the distance of 5 cm from center of the circle find the raduis of the circle?/.
*Sunday, April 6, 2014 at 2:46am by sar*

**math b**

how to find if line rp is tangent to circle 0 at p, and the circle bisects 0r at point m. if tangent segment rp has a length of a radius of circle o how do i find the radcal form and the nearsest hundreth
*Sunday, November 16, 2008 at 12:10pm by jeannine*

**Bobby**

Find the length (in cm) of an arc of a circle with radius 12 cm if the arc subtends a central angle of 30.
*Sunday, January 19, 2014 at 12:49pm by Kathy*

**Maths **

What is the area of the minor segment cut off a circle of radius 10 cm by a chord of length 12 cm? Could you please show me the working out for this question? The answer in the textbook is 16 sq cm. Thanks!!!
*Friday, December 9, 2011 at 9:46pm by Candice*

**trig question**

On a unit circle, sin x = square root 3 over 2, with center O. Vertical line from top to center of circle is PO. Horizontal line from middle to right of circle is OE. Another vertical line of AB is parallel to PO. And radius of circle (line from O to A) is 1 unit. From A to E ...
*Saturday, April 28, 2012 at 2:49pm by Anonymous*

**math-geometry**

The sum of the radii of two concentric circles is 40. A chord with length 36 of the larger circle is trisected by the smaller circle. The area of the smaller circle is k*pi. Find the value of k. Express your answer as an exact decimal. Please show work. Thank you very much.
*Thursday, January 17, 2008 at 8:38pm by paragon*

**Geometry**

Within an orthonormal system consider points A(1,4) B(5,1) C(4,8) (a)Calculate the angle ABC (b)Show that 3x+4y-19=0 is an equation for line L which passes through A and B (c)Find a vector equation for line L (d)(i)give an equation for the circle with the line segment AB as ...
*Sunday, May 4, 2008 at 2:12pm by Anonymous*

**math **

I am supposed to find the area of a segment of a circle. The circle is cut with two radi with an angle of 90 degrees. Then where the radi touch the circle another line is drawn to connect them. The triangle and the small section between the triangle and the edge of the circle ...
*Saturday, May 4, 2013 at 10:21pm by Ed*

**math**

I am supposed to find the area of a segment of a circle. The circle is cut with two radi with an angle of 90 degrees. Then where the radi touch the circle another line is drawn to connect them. The triangle and the small section between the triangle and the edge of the circle ...
*Sunday, May 5, 2013 at 7:57pm by Hannah*

**Geometry**

Line AC is tangent to circle D at point B. Line HF is tangent to circle D at point E. Segments DB an DE are radii of circle D. Segment BC is congruent to segment EF.
*Thursday, July 5, 2007 at 3:08pm by Anonymous*

**geometry**

m<S=30, m(arc)RS=84,and RU is tangent to the circle at R find m<U. It's a circle with a triangle inscribed, only the s and r lie on the circle and u extends past circle. can someone help i do not know or understand these problems answers 27 12 54 24 m(arcDE=123 and m(...
*Monday, May 14, 2012 at 1:00pm by lilman*

**Maths**

ABC is the segment of a circle with center O. This segment is enclosed in a rectangle APQC. Given that AC=32cm and AP = 8 cm, calculate; (a) The radius of the circle. (b) The angle of AOC in both degrees and radians (c) The area of the shaded region.
*Tuesday, June 18, 2013 at 4:11am by Shane*

**trigonometry**

If a central angle theta = 3 pi / 2 then : Circumference of a circle = 2 * r * pi Ful circle have 360 = 2 pi radians. Lenght of arc : L = ( theta / 2 pi ) * 2 * r * pi L = theta * r = 60 ( 3 pi / 2 ) * r = 60 Multiply both sides by 2 3 pi * r = 120 Divide both sides by 3 pi ...
*Wednesday, July 11, 2012 at 9:12am by Bosnian*

**trig question**

NEW DIAGRAM: On a unit circle, sin x = square root 3 over 2, with center O. Vertical line from top to center of circle is PO. Horizontal line from middle to right of circle is OE. Another vertical line of AB is parallel to PO. And radius of circle (line from O to A) is 1 unit...
*Saturday, April 28, 2012 at 2:57pm by Anonymous*

**Math**

height=11.2in (250ft/8in) wide:2.8in*(250ft/8in) and so on.
*Wednesday, February 15, 2012 at 7:33pm by bobpursley*

**Math**

A train track is 5280ft. long. After adding another foot of track, an arc is created. What is the height of the arc and how would i measure it? FIND THE LEAST COMMON MULTIPLE OF 6,9 The maximum height is given by [2640(5280) + h^2 = [2640(5280) + 0.50]^2^2 making h = 1.94 ft. ...
*Thursday, September 28, 2006 at 11:54pm by Lauren*

**math**

what is the formula to find chord in a circle
*Tuesday, March 18, 2008 at 5:13pm by Brooke*

**Geometry**

pa and pb are tangents to circle from point p. chord ab is drawn. find the number of degrees contained in angle pab if angle apb contains a)80 degees b 40 degrees c) 60 degrees d) 90 degrees e) 120 degrees can some1 pllllz explain this 2 me!
*Wednesday, March 2, 2011 at 5:33pm by Summer*

**solid mensuration**

Start with one chord which is 5 units from the centre Notice the perpendicular height of 5 cm hits the midpoint of the chord. By Pythagoras, we can see that the chord must be 24 cm long (5^2 + 12^2 = 13^2) Now pretend you are rotating the chord around the centre until you have...
*Saturday, December 1, 2012 at 7:03am by Reiny*

**math**

consider the following statement: if a circle with its center at the origin has a chord with slope m, the equation of the right bisector of the chord is y=mx. Is this statement true or false? explain
*Saturday, August 18, 2012 at 10:44am by sarah*

**Geometry**

The question is to find the measure of arc PQ in Circle A. The point A is the center of the circle, and the chords PR and SQ intersect at the center. Arc PQ is (3y-10), while arc SR is (2y+20). I know there's a theorem that states that when two chords intersect in the interior...
*Tuesday, April 1, 2008 at 8:31pm by Nikki*

**trig**

circumference of the potential whole circle = 2π(1.3) = 2.6π so , by a simple ratio arc/2.6π = 15/360 arc = 2.6π(15/360) = (13/120)π or appr .34 m or 34 cm
*Thursday, November 8, 2012 at 9:11pm by Reiny*

**geometry**

look at the triangle formed by the chord and the radii. Don't you have an equilateral triangle ? That would make the central angle = 60 So the area of the SECTOR is 1/6 of the area of the circle. If you subtract the area of the equilateral triangle you would be left with the ...
*Sunday, January 15, 2012 at 4:53pm by Reiny*

**geometry 3**

Given: Circle O with radius of length 4 units. measurement of arc PQ=141 degrees. Find the cordinates of point P. Circle O(0,0)
*Tuesday, April 10, 2012 at 10:23pm by Kate Jenson*

**Circle question**

In a circle with radius 20cm, a chord is drawn with length 12 cm. Find the area of the two regions created. Find the perimeter of the two regions created.
*Tuesday, July 31, 2012 at 8:22pm by Jennfier*

**Math**

I have a question my brother asked me but I need a math expert. You have two interlocking circles and the radius of circle B goes through the center of circle A and of course the radius of circle A goes through the center of circle B. The radius of each circle is 30 feet. Now...
*Tuesday, June 25, 2013 at 1:03am by DrBob222*

**circles and arcs**

YOU have a circle with a traingle inside. P being the top of triangle and Q and R, are on the sides, PQ= (8x-10) and PR=(6x) and the bottom QR= (10x+10) SAYS: a)find X b)is the triangle equilateral, isosceles, or scalene? explain. We have not done this type of work, this is ...
*Wednesday, May 23, 2012 at 11:11am by lilman*

**geometry 2**

circle K has an area of 64 pi units ^2. Find the exact length of the arc intercepted by a 210 degree central angle in circle K.
*Tuesday, April 10, 2012 at 10:21pm by Kate Jenson*

**Analytic Geometry**

The slope of the given line is 2/3 So, the radius through (-3,1) is perpendicular, with slope -3/2. So, the line through the center and (-3,1) is y-1 = -3/2 (x+3) Now, the line through the two points forms a chord of the circle, and its slope is 5. So, the radius perpendicular...
*Tuesday, April 30, 2013 at 10:42am by Steve*

**maths**

ABC is the segment of a circle with center O. This segment is enclosed in a rectangle APQC. Given that AC = 32 cm and AP = 8 cm, calculate; (a) The radius of the circle. (b) The angle AOC in both degrees and radians. (c) The area of the shaded region.
*Thursday, June 20, 2013 at 7:12am by Shane*

**geometry**

Point C is the center of the circle. The measure of angle ACB is 15x + 20. Arc AB measures 20x 10. Find the measure of arc AB.
*Tuesday, January 31, 2012 at 1:00pm by kadejah*

**circle**

two parallel chords of length 30 cm and 16 cm are draw on the opposite sides of center of a circle of radius 17 cm find the distance between the chord
*Thursday, November 1, 2012 at 7:13am by surbhi kumari*

**geometry**

The figure shows a partially completed set of steps to construct figure PQRS. The next step is to construct side RS of the figure so that side RS is congruent to side PQ and angle PQR is congruent to angle SRN. The chart shows the steps each of the four students took to draw ...
*Tuesday, January 29, 2013 at 2:51pm by ricco latsonas*

**geometry **

Find the area of the segment of the circle. Leave your answer in terms of pi. there is a circle with a 90 degree triangle and one side is 3 cm
*Saturday, May 4, 2013 at 10:01pm by Hannah*

**physics**

A stunt man whose mass is 70 kg swings from the end of a 4.4 m long rope along the arc of a vertical circle. Assuming that he starts from rest when the rope is horizontal, find the tensions in the rope that are required to make him follow his circular path at each of the ...
*Saturday, November 6, 2010 at 7:19pm by Cho*

**circle**

two parallel chords of length 30 cm and 16 cm are draw on the opposite sides of center of a circle of radius 17 cm find the distance between the chord answer
*Thursday, November 1, 2012 at 7:17am by surbhi kumari*

**math**

for this, you need to recall that the perpendicular bisector of a chord goes through the center of the circle. So, if you can find two of the bisectors, they will intersect at the center. To find the bisectors, locate the midpoint of a chord, then find a line perpendicular to ...
*Monday, March 10, 2014 at 1:09pm by Steve*

**Physics**

Segment A 540-0/120-0 =4.5 Segment B 0-0/0-0 = 0 Segment C 1080-540/288 = 7.5
*Wednesday, May 29, 2013 at 2:04pm by James*

**Geometry **

I have two questions... #1 if the radius of the two areas is 12in find the length of a chord of an arc of 45, 35, and 60 degrees. #2 the bases of a trapezoid are 30in and 9in and the nonparallel sides are 10in and 17in. Find the area.
*Tuesday, February 12, 2013 at 5:52pm by Stephanie*

**Geometry **

I have two questions... #1 if the radius of the two areas is 12in find the length of a chord of an arc of 45, 35, and 60 degrees. #2 the bases of a trapezoid are 30in and 9in and the nonparallel sides are 10in and 17in. Find the area.
*Tuesday, February 12, 2013 at 5:53pm by Stephanie*

**Music**

23. If the fourth chord of a note is a seventh above the root, the chord is: a. a 7th chord b. a triad c. non-tertian d. a 4th chord Not sure 33. The inversion of triads can be written with roman numerals and a. letters b. small numbers c. percentage signs d. tiny stars B?
*Saturday, June 1, 2013 at 1:44pm by mysterychicken*

**Geometry**

A diameter of a circle is 32 yards long. A chord is 11 yards from the center. How long is the chord?
*Wednesday, March 24, 2010 at 6:44pm by Jillian*

**maths-urgently**

An arc of a circle is of length 5p cm and the sector is bounds has an area of 20p cm^2 find the radius of the circle.
*Sunday, January 20, 2013 at 4:36am by Anonymous*

**geometry**

In a circle with centre P,a chord AB is parallel to a tangent & inersects the radius drawn from a point of contact at the midpoint of the radius .If AB=12,FIND THE RADIUS OF THE CIRCLE.
*Thursday, July 14, 2011 at 1:54am by Mahek*

**geometry**

In a circle with centre P,a chord AB is parallel to a tangent & intersects the radius drawn from a point of contact at the midpoint of the radius .If AB=12,FIND THE RADIUS OF THE CIRCLE.
*Thursday, July 14, 2011 at 1:54am by Mahek*

**maths**

what is the circumference the radius the arc the chord the diameter
*Tuesday, March 15, 2011 at 2:35pm by jake*

**math**

Since this is not my area of expertise, I searched Google under the key words "formula circle chord" to get these possible sources: http://mathcentral.uregina.ca/QQ/database/QQ.09.05/bes1.html http://library.thinkquest.org/20991/geo/circles.html http://www.mathwarehouse.com/...
*Tuesday, March 18, 2008 at 5:13pm by PsyDAG*

**Math**

I need serious help. Tried to work it out but I just couldn't get the correct answer. Benjamin and olivia are putting a new floor in their kitchen. To get the floor up to the desired height, they need to add 1 /8ft to subfloor. They can do this in one of two ways. They can put...
*Friday, February 15, 2008 at 5:58pm by Kim*

**math**

Okay, so there is circle S. There are two tangents of this circle that intersect, so it almost looks like a cone? the angle of the intersected tangents is 20. The arc that the "cone" intersects is 4x. I have to figure out what X is. THe answer is 110 but I don't know how to ...
*Wednesday, March 21, 2007 at 8:52am by Emily*

**precalculus**

The question is...find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s. Then it gives the radius r of 27 inches and an arc length s of 6 inches. How do I do that?
*Sunday, February 28, 2010 at 3:24pm by Megan*

**Trig**

Find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s.? Radius, r=16 ft Arc length, s=10 ft
*Friday, May 18, 2012 at 12:51pm by Sue*

**math**

A chord of a circle 38.8 cm long is subtended by a 150 degree central angle.Calculate the radius of the circle.
*Tuesday, January 29, 2013 at 8:22am by penelope*

**math**

the miles of reception would be the length of the chord as the highway cuts through the circle of reception. I see a right-angled triangle, with a hypotenuse of 6.1 (radius of the circle) , a side of 3 (highway is 3 miles from station) and a third side of x x^2 + 3^2 = 6.1^2 x...
*Tuesday, May 15, 2012 at 9:46pm by Reiny*

**Math**

Diameter = 130 cm Radius = 130/(2) = 65 cm Chord = 66 cm half chord = 33 cm The centre forms an isosceles triangle with the chord, with the two equal sides the radii of the circle. Consider the right triangle which forms half of the isosceles triangle. distance from centre to ...
*Sunday, April 15, 2012 at 6:35pm by MathMate*

**Math**

Find the length of segment BC if segment BC is parallel to segment DE and segment DC is a medsegment of triangle ABC. A(-3,4) E(4,3) D(1,1) B and C do not have coordinates
*Tuesday, January 5, 2010 at 6:38pm by Jillian*

**math**

If a circle of radius r has center at (h,k) the equation of the circle is (x-h) + (y-k) = r So, plug and chug: x + (y-(120+9)) = 120 x + (y-129) = 14400
*Wednesday, October 5, 2011 at 11:13am by Steve*

**Geometry urgent!**

If the radius of the two areas is 12in find the length of a chord of an arc of 45 degrees, 30 degrees and 60 degrees. I really don't know what to do here! Please help!!
*Tuesday, February 12, 2013 at 7:09pm by Stephanie*

**maths**

the radius of a circle is 8cm and the length of one of its chords is 12cm. find the distance of the chord from the centre
*Thursday, February 23, 2012 at 9:03am by sushma *

**Maths**

The radius of a circle is 8cm, and the length of one of its chords is 12cm. Find the distance of the chord from the centre.
*Monday, January 14, 2013 at 8:45am by Priyanka *

**Geometry**

Suppose a chord of a circle is 32 millimeters long and is 12 millimeters from the center of the circle. What is the circumference of the circle? btw.. thx fer yall tht answer these, aprichiate it. yall are fricken wizards.
*Monday, May 23, 2011 at 2:35pm by kayla*

**Calculus Hard Question**

Ok, maybe I messed up writing the whole thing, I'll rewrite it again. A pendulum swings through an arc of 120 cm (Swing #1) With each further swing, the arc length is reduced by 15% State the growth factor Calculate the length of the arc in Swing #4
*Wednesday, September 21, 2011 at 8:07pm by Anonymous*

**Geometry**

Prove that the tangents to a circle at the endpoints of a diameter are parallel. State what is given, what is to be proved, and your plan of proof. Then write a two-column proof. Hint draw a DIAGRAM with the points labeled. Can some one please check for me Given : ...
*Thursday, July 5, 2007 at 3:08pm by DANIELLE*

**Math**

(Two concentric circles are shown)The smaller circle's circumference is 10pi. The chord's length is 24. What is the diameter of the larger circle.
*Monday, May 23, 2011 at 12:10am by Hannah Montana*

**Trigonometry**

Write an an expression for the radius, r, of the earlier plate. The earlier plate has a diameter of 3.14 inches, approximately equal to π inches. The radius equals half the diameter. What is the measure, in radians, of a central angle, θ, that intercepts an arc that is...
*Monday, June 21, 2010 at 6:42pm by MathMate*

**geomerty**

Find the arc legnth of Arc AB. Leave your answer in terms of pi. arc is 45 degrees radius is 5
*Saturday, May 4, 2013 at 7:52pm by Izzy*

**geometry**

Angle C is an inscribed angle of circle P. Angle C measures (-3x - 6) and arc AB measures (-4x) . Find x. circle P with points A, B, and C on the circle and inscribed angle A C B drawn Question 4 answers -2 -4 -6 -8
*Friday, August 26, 2011 at 11:37am by jessica*

**Math **

A circular piece of wire has a radius of 12 cm. This is cut then bent to form an arc of a circle whose radius is 60 cm. Find the angle subtended at the centre by this arc. Give your answer to the nearest degree. Please show working out Thank you so much!
*Friday, December 9, 2011 at 9:47pm by Candice*

**calculus**

conic sections question 1: verify that the point (3,2) lies on the circle x^2+y^2-8x+2y+7=0, and find the equation of the tangent at this point. question 2: find the length of the tangents from the point (5,7) to the circle x^2+y^2-4x-6y+9=0 question 3: find the equation of ...
*Saturday, June 28, 2008 at 9:36pm by Kelly*

**Math ~ Need Help! ~**

You have a compass? Set its width at about 3/4 the length of the line segment. put the point of the compass at one end of the segment and draw a circle put the point of the compass at the other end and draw a circle. those circles intersect on each side of the segment. draw a ...
*Monday, February 24, 2014 at 2:50pm by Damon*

**geometry**

Something is not right here. You say arc AB = -4x , but the arc AB would not be measured in degrees. Did you mean the central angle subtended by arc AB is -4x ? That would make sense. If so, then the central angle subtended by an arc is twice the angle subtended by the same ...
*Friday, August 26, 2011 at 11:37am by Reiny*

**Physics**

If a .3kg arrow is fired at 120m/s at a 30degree angle with the horizontal, how high is it at the top of its arc? I'm confused. Do I break up the x and y components of velocity or do I set initial KE + PE = KE (top of arc)+ PE (top of arc) to get 1/2(.3)(120)*2+ 0 = 0 +.3(9.8)...
*Thursday, April 16, 2009 at 6:29pm by Brigid*

**trig**

a central angle intercepts an arc on a circle equal in length to the diameter of the circle. find the measure, in radians, of the central angle.
*Thursday, February 6, 2014 at 3:18pm by Anonymous*

**Geometry**

Triangle RSU has two of its points(R and S) on the sides of a circle. Line SU forms a secant ray that passes through the diameter of the circle. Angle S is 30 degrees, the measure of arc RS is 84 degrees, and RU is tangent to the circle at R. Find the measure of angle U. 27 ...
*Tuesday, May 22, 2012 at 12:59pm by Paige*

**geometry**

Which segment is a tangent segment to circle Q? (Points : 1) EP EA AP BP It's from K12 and it's a small quiz (homework)
*Monday, March 26, 2012 at 6:32pm by Brandan*

**math**

find whether the line 2x-y=0 is tangent, real chord on imaginary chord to the parabola y^2-2y+4y=0.
*Monday, August 8, 2011 at 10:08am by sonu*

**English/Math**

It means, on a circle, find the length of the arc at the end of a radius, rotated thru some angle. Of course, you know the length if it is a complete circle as 2PI*radius.
*Thursday, March 22, 2012 at 4:06pm by bobpursley*

**geometry**

In the accompanying diagram ab and cd are chord of the circle and intersect at e if ae=10 en=9 and ec =6 find de
*Saturday, February 25, 2012 at 5:05pm by Alley*

**circles**

the radius of a curvature is 10ft and the height of the segment is 2ft. What is the length of the chord
*Saturday, September 26, 2009 at 1:21pm by Lee*

**Maths**

Did you make your sketch? Let the distance from the longer chord to the circle be x then the distance from the shorter chord to the circle is 17-x Let the radius be r then r^2 = x^2 + 12^2 and r^2 = (17-x)^2 + 5^2 so x^2 + 144 = (17-x)^2 + 25 x^2 + 144 = 289 - 34x + x^2 + 25 ...
*Monday, April 7, 2014 at 7:52pm by Reiny*

**geometry**

Draw the unit circle and a first-quadrant ray from the origin that makes an angle with the positive x-axis. Let B be the point on this ray whose x-coordinate is 1, and let A = (1, 0). Segment AB is tangent to the circle. In terms of , find its length.
*Monday, April 12, 2010 at 7:13pm by yadlay*

**trigonometry**

I will assume you meant to say " ... is inscribed in a circle with radius 100 inches ..." Make a sketch, draw radii from the base to the centre of the circle. We will use the fact that the central angle subtended by an arc is twice the subtended angle at the circle For the ...
*Wednesday, November 28, 2012 at 7:12am by Reiny*

**geometry**

In the accompanying diagram of circle O, chord AB busects CD at E. If AE=8 and BE=9, find the length of CE in simplest radical form.
*Sunday, June 10, 2012 at 12:14am by Ashley*

**Geometry**

In circle O, chord AB is 9 inches from the center. The diameter of the circle exceeds the length of AB by 2 inches. Find the length of AB
*Wednesday, April 2, 2014 at 10:34pm by Jonathon*

**geometry**

arc AB is 55 degrees. the radius of the circle is 4 inches. what is the length of arc AB?
*Wednesday, December 8, 2010 at 7:07pm by Anonymous*

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