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April 18, 2014

April 18, 2014

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**Geometry**

with what tools? Compass? https://www.youtube.com/watch?v=ed7eEUDAvnU
*Wednesday, December 4, 2013 at 8:25pm*

**Geometry**

of a right triangle
*Wednesday, December 4, 2013 at 8:11pm*

**Geometry**

With a compass, or a protractor. What do you mean perpendicular bisector of a right angle? That makes no sense.
*Wednesday, December 4, 2013 at 8:09pm*

**Geometry**

How to solve for perpendicular bisectors of right triangle. RST meet at point D. Find DR
*Wednesday, December 4, 2013 at 8:05pm*

**Geometry/Trigonometry**

Wow thanks a lot that helped!
*Wednesday, December 4, 2013 at 5:20pm*

**Geometry/Trigonometry**

Both circles are tangent to the x-axis, at (2,0) and (8,0). The line joining their centers is inclined at an angle θ such that tanθ = (9-1)/(8-2) = 4/3 So, the two tangent lines meet at an angle 2θ. Thus, our slope m of the other line is tan2θ = (8/3)/(1-16...
*Wednesday, December 4, 2013 at 3:25pm*

**Geometry - eh?**

I think there's something missing here.
*Wednesday, December 4, 2013 at 2:35pm*

**Geometry**

A softball player asked her father to make her a home plate for a softball game. According to her encyclopedia, an official plate is made from a square by making two 12-inch diagonal cuts upward from both bottom corners. What is the length of the side of the original square?
*Wednesday, December 4, 2013 at 1:21pm*

**Geometry/Trigonometry**

Circles with centers (2,1) and (8,9) have radii 1 and 9, respectively. The equation of a common external tangent to the circles can be written in the form y=mx+b with m < 0. What is b? I drew the diagram and the tangents but to no avail. I cannot seem to find the points ...
*Wednesday, December 4, 2013 at 12:18pm*

**Geometry**

measured along the diagonals, so diagonal is twice as big
*Wednesday, December 4, 2013 at 11:35am*

**Geometry**

Use Heron's formula. Let a, b and c be the sides of a triangle. Let s = a + b + c Therefore the area of triangle can be calculated using this formula: A = sqrt[ (s)(s-a)(s-b)(s-c) ] It should be a little easy using this formula, so I guess you can do it on your own. :) ...
*Wednesday, December 4, 2013 at 11:34am*

**Geometry**

I will do the 1st one you do the 2nd method 1. check to see if it is right -angled, then it would be real easy is 3.5^ + 4.8^2 = 6.1^2 ? , NO --- so forget that method method 2: find the angle opposite the smallest side using the cosine law 3.5^2 = 4.8^2 + 6.1^2 - 2(4.8)(6.1)...
*Wednesday, December 4, 2013 at 11:34am*

**Geometry**

How is the size of a TV measured? If we are comparing a 15-inch TV and a 30-inch TV, what is twice as big about the bigger TV?
*Wednesday, December 4, 2013 at 10:23am*

**Geometry**

Find the area of the triangles in square centimeters: a. 3.5, 4.8, 6.1 b. 10.2, 4.4, 7.1
*Wednesday, December 4, 2013 at 10:10am*

**GEOMETRY CIRCLES PLEASE**

This is just too easy. Remember that both tangents to the same circle from an exterior point are equal. so AB = AC but AC is also tangent to the small circle so AC = AD but AD is also a tangent to the circle at the right so AD = AE Since the are all equal , and AB = 15 each ...
*Wednesday, December 4, 2013 at 8:51am*

**GEOMETRY CIRCLES PLEASE**

The diagram shows tangent circles and lines. if AB=15 CM find AC, AD and AE . Help me reiny and other tutors please<3 thank you this is the figure img19.(imageshack.)us/img19/7143/0eua.png just remove the open and close parentheses thank you
*Wednesday, December 4, 2013 at 8:36am*

**MATH**

math that comes before calculus, usually 2nd year algebra and trigonometry. Geometry comes into play as well.
*Wednesday, December 4, 2013 at 6:17am*

**Trigonometry/Geometry**

Oh thank you very much sir!!
*Tuesday, December 3, 2013 at 10:31pm*

**Trigonometry/Geometry**

Start by drawing a reasonably accurate rhombus on a piece of paper. Remember a rhombus has 4 equal sides and opposite angles equal, ( A square is a special kind of rhombus, so don't use a square) cut your rhombus out with scissors. Surprisingly, you will be able to form a ...
*Tuesday, December 3, 2013 at 10:03pm*

**Trigonometry/Geometry**

Rhombus ABCD, with side length 6, is rolled to form a cylinder of volume 6 by taping AB to DC. What is sin(angle ABC)? I don't know how to begin. Help?
*Tuesday, December 3, 2013 at 9:18pm*

**geometry**

I get 9
*Tuesday, December 3, 2013 at 8:33pm*

**geometry**

i35
*Tuesday, December 3, 2013 at 8:08pm*

**Geometry**

See previous post: Mon,12-2-13,7:39 AM.
*Tuesday, December 3, 2013 at 8:06pm*

**Geometry**

See previous post:Mon,12-2-13,7:39 AM.
*Tuesday, December 3, 2013 at 8:04pm*

**Geometry**

The diagonals form 2 30o-60o rt. triangles. h = 24*sin30 = 12 In. W = 24*cos30 = 20.8 In. P = 2*(W+h) = 2*(20.8+12) = 65.6 In.
*Tuesday, December 3, 2013 at 7:59pm*

**geometry**

Height of the kite from the hand =35-3 = 32 ft Distance of the kite from hand = x feet using the formula sin(32) =32/x x = 32/sin(32) =60.3865572736188208=60.4 .............Ans(c)
*Tuesday, December 3, 2013 at 6:53pm*

**geometry**

Kendra is flying a kite 35 feet in the air. The angle of depression from the kite to where Kendra holds the string is 32 degrees. If Kendra holds the string 3 feet off the ground, what is the distance from her hands to the kite? Round your answer to the nearest tenth.
*Tuesday, December 3, 2013 at 6:35pm*

**geometry**

A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?
*Tuesday, December 3, 2013 at 5:04pm*

**geometry**

A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?
*Tuesday, December 3, 2013 at 5:00pm*

**geometry**

A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?
*Tuesday, December 3, 2013 at 4:56pm*

**geometry**

mmmhhhh http://www.jiskha.com/display.cgi?id=1386103063
*Tuesday, December 3, 2013 at 4:32pm*

**geometry**

let the outer segment of the 2nd secant be x then the inner segment is 28-x 8/6 = x/(28-x) 6x = 224 - 8x 14x = 224 x = 16
*Tuesday, December 3, 2013 at 4:30pm*

**geometry**

8*6 = 28*x
*Tuesday, December 3, 2013 at 3:53pm*

**geometry**

Two secant segments are drawn to a circle from a point outside the circle. The external segment of the first secant segment is 8 centimeters and its internal segment is 6 centimeters. If the entire length of the second secant segment is 28 centimeters, what is the length of ...
*Tuesday, December 3, 2013 at 3:40pm*

**geometry**

Two secant segments are drawn to a circle from a point outside the circle. The external segment of the first secant segment is 8 centimeters and its internal segment is 6 centimeters. If the entire length of the second secant segment is 28 centimeters, what is the length of ...
*Tuesday, December 3, 2013 at 3:37pm*

**geometry**

52
*Tuesday, December 3, 2013 at 1:45pm*

**Geometry**

assuming a heartbeat of 60/min, that's 86400 beats/day. 86400*0.06 = ? since the volume is given in ml units, but we're dealing with thousands of beats, I'd say 1 liter would be appropriate for the answer. as for gallons, just look up the conversion factor and ...
*Tuesday, December 3, 2013 at 12:49pm*

**Geometry**

The average human heart pumps about 60 milliliters of blood for each beat. a. About how many liters of blood does your heart pump each day? b. Do you think a reasonable degree of precision for this question would be to report the answer to the nearest 100 liters, 10 liters, 1 ...
*Tuesday, December 3, 2013 at 12:44pm*

**Geometry**

2.54 cm = 1 inch (official definition of inch since 1959) 1 cm = 1/2.54 inches 1 m = 100/2.54 inches 1 km = 1000(100/2.54) inches = 100000/(2.54*12*5280) miles = .62137 miles which is the same as your other definition correct to 2 decimals.
*Tuesday, December 3, 2013 at 10:36am*

**Geometry**

To determine the relationship between miles and kilometers, if we use the conversion 39.37 inches= 1 meter, we find that 1 kilometer is approximately equal to 0.62 mile. What if we use the conversion 2.54 centimeters = 1 inch? How far apart are the answers (1 kilometer = x ...
*Tuesday, December 3, 2013 at 10:17am*

**geometry**

6 * 36 = ?
*Monday, December 2, 2013 at 9:43pm*

**geometry**

Deshawn built a model train car. The length of the model train car is 6 in. The scale Deshawn used to build the model train car is 1:36. What is the actual length of the train car in FEET?
*Monday, December 2, 2013 at 9:34pm*

**Geometry**

Since the semi-diagonals form an isosceles triangle with the sides of the rectangle, the diagonals make an angle of 60° with the short side, and 30° with the long side. length = 24cos30° height = 24sin30° p = 2(length+width)
*Monday, December 2, 2013 at 5:49pm*

**Geometry**

make a sketch drawing both diagonals Look at one of the triangles containing the 60° angle. Since the diagonals bisect each other, each side containing the 60° angle must be 12 inches long. The triangle must be isosceles, so each of the other angles is also 60°, ...
*Monday, December 2, 2013 at 8:55am*

**Geometry**

The diagonal of a rectangle are 24 inches long intersect at an angle of 60°.Find the perimeter of the rectangle.Pls help me.
*Monday, December 2, 2013 at 8:20am*

**Geometry**

The diagonal of a rectangle are 24 inches long intersect at an angle of 60°.Find the perimeter of the rectangle.Pls help me.
*Monday, December 2, 2013 at 8:00am*

**Geometry**

The diagonal of a rectangle are 24 inches long intersect at an angle of 60°.Find the perimeter of the rectangle.Pls help me.
*Monday, December 2, 2013 at 7:44am*

**Geometry**

The diagonal of a rectangle are 24 inches long intersect at an angle of 60°.Find the perimeter of the rectangle.Pls help me.
*Monday, December 2, 2013 at 7:39am*

**Geometry**

The diagonal of a rectangle are 24 inches long intersect at an angle of 60°.Find the perimeter of the rectangle.Pls help me.
*Monday, December 2, 2013 at 7:35am*

**Geometry**

for each parallelogram find the measures of the angles formed by extending two adjacent side through their common vertex: angle is 90 degrees
*Sunday, December 1, 2013 at 7:12pm*

**Geometry**

false
*Saturday, November 30, 2013 at 6:26am*

**Geometry**

It depends. Are the dimensions increased by 136% or is the area increased by 136% ?
*Friday, November 29, 2013 at 9:24pm*

**Geometry**

You use a copy machine to enlarge an 8” 11” document, and you choose the 136 % enlargement setting. What will be the dimensions of the enlarged document? Round to the nearest hundredth of an inch.
*Friday, November 29, 2013 at 7:05pm*

**Geometry**

True or False: If a figure does not have point symmetry, it cannot have reflection symmetry.
*Friday, November 29, 2013 at 6:44pm*

**Geometry**

5. Angle A = 20 degrees 6. Angle C + Angle D = 90 degrees 7. 50 degrees
*Friday, November 29, 2013 at 6:26am*

**geometry**

If by vertical angles you mean opposite angles when 2 lines intersect, then they must be equal, so ... 4x- 34 = 3x + 17 x = 51 and angle1 = 3(51) + 17 = 170
*Wednesday, November 27, 2013 at 10:21pm*

**geometry**

If angle 1 and angle 2 are vertical angles and measurement angle 1= 3x+17 and measurement angle 2= 4x-34 what is measurement angle 1?
*Wednesday, November 27, 2013 at 8:49pm*

**geometry**

if you draw a diagram, you will quickly see that the cables form the hypotenuse of a 6-8-10 right triangle. So, how much cable in 3 wires?
*Wednesday, November 27, 2013 at 6:14am*

**geometry**

A flagpole has a height of 10 yards. It will be supported by three cables, each of which is attached to the flagpole at a point 4 yards below the top and attached to the ground at a point that is 8 yards from the base of the pole. Find the total number of feet of cable that ...
*Tuesday, November 26, 2013 at 9:46pm*

**geometry**

d)11
*Monday, November 25, 2013 at 8:32pm*

**pre-alg**

Oh, I get it. The question is asking you what scale you are going to use for your scale drawing. Here is the definition from my Geometry Book: Scale- a ratio that describes how the dimensions in a scale drawing are related to the dimensions of the actual object. An example of ...
*Monday, November 25, 2013 at 8:08pm*

**Geometry**

probably just axial symmetry.
*Monday, November 25, 2013 at 5:47pm*

**Geometry**

407 feet Draw a diagram to see why.
*Monday, November 25, 2013 at 5:46pm*

**geometry**

See Related Questions: Thu,5-25-11,11:28 AM.
*Monday, November 25, 2013 at 3:55pm*

**Geometry**

If mAB = 324 feet, mBC = 103 feet, and mCD = 212 feet, what is the distance across the pond?
*Monday, November 25, 2013 at 2:44pm*

**Geometry**

Describe the rotation and reflection symmetries in the Maple Leaf of Canada and the "Life" Ancient Egypt cross.
*Monday, November 25, 2013 at 2:33pm*

**Analytic Geometry(Math)**

as usual, draw a diagram. If the light is at height h, and the person is standing at a distance of 4x from the pole, then h/10x = 6/6x h/10 = 6/6 h=10 So, the light is 10 feet up. Now, if the person's head is 5' from the light, (4x)^2 + (10-6)^2 = 5^2 (4x)^2 + 4^2 = 5^...
*Monday, November 25, 2013 at 2:23pm*

**Geometry**

the image produced is 21% larger than the original. Usually used to enlarge from legal (8.5x14) to 11x17 (double letter) size.
*Monday, November 25, 2013 at 2:10pm*

**Geometry**

In geometry, a common standard setting for enlarging on a copy machine is 121 percent. What does this mean?
*Monday, November 25, 2013 at 2:06pm*

**Analytic Geometry(Math)**

a person 6 ft. tall s standing near a street light so that he is 4/10 of the distance from the pole to the tip of his shadow. How high above the ground is the light bulb? if the person's head is exactly 5ft from the light bulb. how far is the person from the pole and how ...
*Monday, November 25, 2013 at 6:42am*

**geometry**

Given: ABC,/ AD bisects <BAC, and /AE=/ED Prove: AE/AC = BD/BC
*Monday, November 25, 2013 at 3:38am*

**geometry**

A plane is is flying 225 mph heading S25°W. The wind is blowing S80°E at 60 mph. What is the bearing of the plane? What is the smallest angle of the triangle? What is the largest angle of the triangle? What is the remaining angle of the triangle? What is the ground ...
*Sunday, November 24, 2013 at 11:39pm*

**Geometry**

11. What is the bearing of the plane? 12. What is the smallest angle of the triangle? 13. What is the largest angle of the triangle? 14. What is the remaining angle of the triangle? 15. What is the ground speed of the plane? I am lost on these
*Sunday, November 24, 2013 at 11:32pm*

**Trig-Geometry - Law of sines and cosines**

Hello everyone, I've been struggling on this problem for quite some time. It would be appreciated if you could help. Thanks. (The website is the diagram, it is a screenshot) In the diagram below, triangle ABC has been reflected over its median AM to produce triangle AB'...
*Sunday, November 24, 2013 at 11:01pm*

**Geometry**

make a sketch and reflect the point (4,6) in the vertical line x = 1 to get (-2,6)
*Sunday, November 24, 2013 at 1:59pm*

**Geometry**

http://intermath.coe.uga.edu/tweb/CPTM1/trushin/diagonals/diagonalsinapolygon.htm
*Sunday, November 24, 2013 at 12:23pm*

**Geometry**

How many diagonals does a prism have whose base is a regular polygon with 3 sides?
*Sunday, November 24, 2013 at 11:58am*

**Geometry**

Three vertices of a kite are (1,8), (1,0), and (4,6). What is the fourth vertex?
*Sunday, November 24, 2013 at 11:37am*

**Geometry**

-4/5
*Saturday, November 23, 2013 at 1:42pm*

**Geometry**

What is y if 6y+1=21y+13
*Saturday, November 23, 2013 at 1:11pm*

**Geometry**

actually, there is an infinite number of solutions one of the properties of a circle is that a triangle is formed with the diameter as a base and the other point on the circle, you will always have a right angle. so the centre would be (5,3) and the radius would be 2√2 ...
*Friday, November 22, 2013 at 1:21pm*

**Geometry**

The coordinates of the endpoints of the hypotenuse of a right triangle are (7, 5) and (3, 1). Find the other vertex. There are two possible solutions.
*Friday, November 22, 2013 at 12:58pm*

**Geometry**

notice the points given form a horizontal line, so the length of the side must be 7 the x coordinate of the third point must be midway between the two points (simple geometry, look at your sketch) let the third point be P P is (-3/2, y) so the distance from P to (2,3) must be ...
*Friday, November 22, 2013 at 11:32am*

**Geometry**

The two vertices that form the base of an isosceles triangle are (-5, 3) and (2, 3). What are the coordinates of the other vertex?
*Friday, November 22, 2013 at 11:21am*

**geometry**

correct
*Thursday, November 21, 2013 at 9:14pm*

**geometry**

162
*Thursday, November 21, 2013 at 9:09pm*

**geometry**

dodecagon --- 12 sides It must be regualar, that is, all sides must be equal and all 12 interior angles are equal. sum = 180(n-2) so each angle = 180(n-2)/n for 12 sides: each angle = 180(12-2)/12 = 150° you do the one with 20sides
*Thursday, November 21, 2013 at 8:52pm*

**geometry**

1. the sum of the interior angle measures of a convex dodecagon. 2. the measure of each interior angle of a regular 20-gon
*Thursday, November 21, 2013 at 8:20pm*

**Geometry**

"whose" not "who's" y = 1/2 x - 2
*Thursday, November 21, 2013 at 7:47pm*

**Geometry **

What is the equation go the line that is parallel to the graph of y=1/2x+6, and who's y-intercept is -2
*Thursday, November 21, 2013 at 7:09pm*

**Trigonometry/Geometry - Law of sines and cosines**

In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF such that AB = DE, BC = EF, and angle A = angle D, then we cannot deduce that ABC and DEF are congruent. However, there are a few special ...
*Thursday, November 21, 2013 at 4:03pm*

**Geometry**

one axis is the line y=8 (9,11) is 3 above the line, so the 4th point must be 3 below the line, at (9,5)
*Thursday, November 21, 2013 at 2:53pm*

**Geometry**

Three vertices of a kite are (6, 8), (9, 11), and (12, 8). What are the coordinates of the fourth vertex?
*Thursday, November 21, 2013 at 1:22pm*

**Geometry**

AB,BA,AC,CA,BC,CB
*Thursday, November 21, 2013 at 11:53am*

**Geometry**

Name all of the possible different rays that can be formed from the three points below: A B C <_______________>
*Thursday, November 21, 2013 at 11:05am*

**geometry**

No, should be 60
*Wednesday, November 20, 2013 at 3:23pm*

**Geometry**

Jason designed an arch made of wrought iron for the top of a mall entrance. The 11 segments between the two concentric circles are each 1.25 m long. Find the total length of wrought iron used to make the structure. Round the answer to the nearest meter. and there's a ...
*Wednesday, November 20, 2013 at 10:35am*

**geometry**

If an object is reflected twice over parallel lines, and corresponding points of the original and final translation image are 26 centimeters apart, how far apart are the parallel lines?
*Wednesday, November 20, 2013 at 10:28am*

**magnets**

A proton with a velocity of 2.0 x 10^7 m/s in the horizontal (+x) direction enters a region of uniform magnetic field that is 1 meter wide and points out of the page with a magnitude of 0.05 Tesla. At what angle below the x-axis, in degrees, does the proton's trajectory ...
*Wednesday, November 20, 2013 at 6:36am*

**magnets**

A proton with a velocity of 2.0 x 10^7 m/s in the horizontal (+x) direction enters a region of uniform magnetic field that is 1 meter wide and points out of the page with a magnitude of 0.05 Tesla. At what angle below the x-axis, in degrees, does the proton's trajectory ...
*Wednesday, November 20, 2013 at 1:16am*

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