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April 16, 2014

April 16, 2014

**Recent Homework Questions About Geometry**

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**Math (Geometry)**

150
*Sunday, July 7, 2013 at 8:31am*

**Math (Geometry)**

See: http://www.jiskha.com/display.cgi?id=1373027638
*Sunday, July 7, 2013 at 6:12am*

**Math (Geometry)**

In triangle ABC, ∠A=20∘ and ∠B=80∘. Let D be a point on line segment AB such that AD=BC. What is the measure (in degrees) of ∠ADC?
*Sunday, July 7, 2013 at 1:58am*

**geometry**

50 feet fencing to build a rectangular pen length width and area probelem box solve problem
*Wednesday, July 3, 2013 at 8:52pm*

**geometry**

50 feet fencing to build a rectangular pen
*Wednesday, July 3, 2013 at 8:51pm*

**geometry**

50 feet fencing to build a rectangular pen
*Wednesday, July 3, 2013 at 8:51pm*

**Geometry**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Use the Pythagorean theorem: x^2 + x^2 = 8^2 Solve for x.
*Wednesday, July 3, 2013 at 1:42pm*

**geometry**

20.00
*Sunday, June 30, 2013 at 11:59am*

**Geometry**

the sketch of if AM is not = MY, then M is not the midpoint of segment AY.
*Saturday, June 29, 2013 at 9:34pm*

**geometry**

where does the 4-times scaling take (x,y) --> ? Is it 8 times as far from the origin or not?
*Saturday, June 29, 2013 at 12:32am*

**geometry **

Which of the following translations corresponds to the matrix ? a A segment is shifted 2 units up and 3 units to the left. b A triangle is shifted 2 units to the right and 3 units down. c A segment is shifted 2 units to the right and 3 units down. d A triangle is shifted 2 ...
*Friday, June 28, 2013 at 11:28pm*

**geometry**

if a scale factor of four is used, the points in the image will be eight times as far from the origin as at he pre-image points true or false
*Friday, June 28, 2013 at 7:35pm*

**Geometry**

The Answer is 61.
*Friday, June 28, 2013 at 5:40pm*

**geometry**

Bret is drawing the blueprint because he is not making duplicates of the original. It's because in the question it states "approximate image" meaning that it won't be accurate and not done with tools. Therefore it leaves the other choices hanging because Troy...
*Thursday, June 27, 2013 at 5:29pm*

**geometry**

Chords AC and BD intersect at the center of circle ABCD. If the length of CP = 8, which is the length of PB?
*Thursday, June 27, 2013 at 9:33am*

**Geometry**

5
*Thursday, June 27, 2013 at 2:37am*

**Applied Geometry maths**

How would I find out how far away from the base of the tower she was when she made her first measurement of 15deg20'
*Wednesday, June 26, 2013 at 10:56pm*

**geometry**

250
*Wednesday, June 26, 2013 at 1:56pm*

**geometry**

In step 4 of the construction of a perpendicular line through a point, why must the compass point be placed on the points where the arc intersects with the original line? How would the construction be different if the compass point were placed at random points on the original ...
*Wednesday, June 26, 2013 at 10:32am*

**geometry**

An observer on the ground is x meters from the base of the launch pad of a rocket, which is at the same level as the observer. A few seconds after the rocket takes off vertically, the observer sees its tip at an angle of q° from the horizontal. How far above the ground is ...
*Wednesday, June 26, 2013 at 9:57am*

**geometry**

with appropriate labels, 1.8/2 = h/(1+2)
*Tuesday, June 25, 2013 at 3:22pm*

**geometry**

a boy stands 1 meter away from a lamppost. he is 1.8 meters tall and casts a shadow 2 meters long in the light from the lamp. how tall is the lamppost?
*Tuesday, June 25, 2013 at 2:59pm*

**Geometry**

no tis not 49
*Tuesday, June 25, 2013 at 5:12am*

**geometry**

process？
*Monday, June 24, 2013 at 11:40pm*

**geometry**

How to draw line segment CF and to draw a ray CD perpendicular to line segment CF.
*Monday, June 24, 2013 at 11:19pm*

**geometry**

if the sides of a triangle are 8 cm, 10 cm, and 12 cm then find the length of altitude to the smaller side.
*Monday, June 24, 2013 at 11:14pm*

**geometry**

101
*Monday, June 24, 2013 at 1:23pm*

**geometry**

ABC is a triangle with AC=139 and BC=178. Points D and E are the midpoints of BC and ACrespectively. Given that AD and BE are perpendicular to each other, what is the length of AB?
*Monday, June 24, 2013 at 1:08pm*

**geometry (help steve)**

Well, a unit circle externally tangent to the central unit circle subtends a central angle of 60°. Draw a diagram to see that the tangents from the center to the external circles form angles of 30° each. So, if there are 4 external circles, they cover 240°. Since ...
*Monday, June 24, 2013 at 11:06am*

**geometry (help steve)**

A circle of radius 1 is drawn in the plane. Four non-overlapping circles each of radius 1, are drawn (externally) tangential to the original circle. An angle γis chosen uniformly at random in the interval [0,2π). The probability that a half ray drawn from ...
*Monday, June 24, 2013 at 10:49am*

**Geometry**

is it 49
*Monday, June 24, 2013 at 8:06am*

**Geometry**

is it 49
*Monday, June 24, 2013 at 8:05am*

**Geometry**

it is less than 65
*Monday, June 24, 2013 at 3:18am*

**Geometry**

it is less than 70
*Monday, June 24, 2013 at 3:14am*

**Geometry**

it is less than 80
*Monday, June 24, 2013 at 2:51am*

**Geometry**

it is greater than 61
*Monday, June 24, 2013 at 2:50am*

**geometry**

A smooth partition of the integer n is a set of positive integers a1,a2,…ak such that 1. k is a positive integer, 2. a1≤a2≤⋯≤ak, 3. ∑ki=1ai=n, and 4. ak−a1≤1. Determine how many smooth partitions there are of the integer 250.
*Thursday, June 20, 2013 at 4:06am*

**Applied Geometry maths**

I assume you are talking about angles of elevation, and want to find the height of the tower. If she ends up x meters from the tower, then h/x = tan 24°33' h/(x+400) = tan 15°20' equating the values for x, h/tan 24°33' = h/tan 15°20' - 400 h/....
*Wednesday, June 19, 2013 at 11:22am*

**Applied Geometry maths**

I assume you are talking about angles of elevation, and want to find the height of the tower. If she ends up x meters from the tower, then h/x = sin 24°33' h/(x+400) = sin 15°20' equating the values for x, h/sin 24°33' = h/sin 15°20' - 400 h/....
*Wednesday, June 19, 2013 at 11:21am*

**Applied Geometry maths**

A Maths Applied student holidaying in Sydney notices that the Centrepoint tower has an angle of elevation of 15deg20'. After walking 400m directly towards the tower she now observes the elevation to be 24deg33'
*Wednesday, June 19, 2013 at 12:15am*

**geometry**

5x + 8x + 11x = 60 , hit the wrong key
*Tuesday, June 18, 2013 at 10:17pm*

**geometry**

Since the sides must be in the same ratio... let the sides of the new triangle be 5x, 8x, and 11x 5x + 8x + 11x = 80 solve for x, then find 5x
*Tuesday, June 18, 2013 at 10:16pm*

**geometry**

Triangle ABC is similar to triangle DEF. The sides of ABC are 5,8 and 11. What is the length of the shorttest side of DEF if its perimeter is 60?
*Tuesday, June 18, 2013 at 9:01pm*

**maths (geometry)**

False - only length
*Tuesday, June 18, 2013 at 3:03pm*

**maths (geometry)**

decide whether the statement is true or false, A line has length and breadth
*Tuesday, June 18, 2013 at 12:49pm*

**geometry**

length is scaled by n, slope is unchanged.
*Tuesday, June 18, 2013 at 10:21am*

**geometry**

A preimage includes a line segment of length x and slope m. If the preimage is dilated by a scale factor of n, what are the length and slope of the corresponding line segment in the image
*Tuesday, June 18, 2013 at 9:21am*

**Geometry**

in a right triangle, a^2 + b^2 = c^2 Draw your right triangle with hypotenuse AB having horizontal leg a and vertical leg b. a = x2-x1 b = y2-y1 c^2 = (x2-x1)^2 + (y2-y1)^2
*Tuesday, June 18, 2013 at 4:43am*

**MATH**

Complete Problem 34 in Section 5.2 Exercises (Ch. 5) of Essentials of Geometry for College Students. 34. Given: ABC,/ AD bisects <BAC, and /AE=/ED Prove: AE/AC = BD/BC
*Monday, June 17, 2013 at 10:46pm*

**Geometry**

A. Derive the distance formula (d) shown below for points A = (x1, y1) and B = (x2, y2). 2 2 1 2 2 1 d = (x − x ) + ( y − y ) Note: Look for an application of the Pythagorean theorem where the red line, segment AB, is the hypotenuse of a right triangle. You can ...
*Monday, June 17, 2013 at 8:37pm*

**Math**

Geometry and algebra??
*Monday, June 17, 2013 at 11:16am*

**Geometry**

Guys, don't give any numerical answer to this cheater. This question is lifted from a Mathematics and Physics Olympiad website, brilliant(dot)org, which gives points for every correct answer given to the problems there. Please, sir, solve the problem on your own. The ...
*Monday, June 17, 2013 at 3:35am*

**Geometry**

Find the minimum possible value of 2cos4θ+8cos3θ+32cos2θ+56cosθ+100
*Sunday, June 16, 2013 at 11:05pm*

**Geometry**

depends on how fast he swims. If his speed is s ft/min, the depth d will be d/5s = sin 32
*Saturday, June 15, 2013 at 7:31pm*

**Geometry**

A diver is currently at the surface of the water out at sea. If he descends into the ocean at an angle of depression of 32 degrees, what will be his depth to the nearest tenth of a foot after swimming for 5 minutes
*Saturday, June 15, 2013 at 3:05pm*

**grid problem (geometry)**

The squares of a 2×60 chessboard are coloured black and white in the standard alternating pattern. At random, exactly half of the black squares are removed from the board. The expected number of white squares that have no neighbours after this process can be expressed as...
*Saturday, June 15, 2013 at 10:38am*

**geometry**

c=pi d 28.26 /3.14 d=9.54 r=4.77
*Friday, June 14, 2013 at 10:22pm*

**GEOMETRY I BEG YOU PLEASE HUHUHU**

-sqrt(7) = -2.65 Y(-2.65,6), W(-2,3), h(5,12). W is between y and h.
*Thursday, June 13, 2013 at 11:21pm*

**PLEASEEE GEOMETRY**

H(-4,5). J(-1,10). I(1,sqrts). Point J is between H and I.
*Thursday, June 13, 2013 at 9:39pm*

**geometry**

If RS=ST=19, s<r and t=7, find s and r.
*Thursday, June 13, 2013 at 9:33pm*

**geometry**

Answer: D.
*Thursday, June 13, 2013 at 9:01pm*

**GEOMETRY**

O = 3*sqrt(2) = 4.24. N = 2*sqrt(5) = 4.47. M = 5. N is between O and M.
*Thursday, June 13, 2013 at 8:48pm*

**Geometry**

In a certain game, a player throws a standard 6-sided number cube twice per turn. What is the probability that the result of the first throw will be a 1, and the result of the second throw will be greater than 3?
*Thursday, June 13, 2013 at 1:11pm*

**GEOMETRY BETWEENNESS URGENT !!**

Strange question. First of all, the standard way to label points is in the form (-4,5) , not -4/5 So I assume you are giving us the three points (-4,5) , (-1, √5) , and (-1,10) You state they are points on a line, but clearly not a straight line. Would it not make sense ...
*Thursday, June 13, 2013 at 11:51am*

**GEOMETRY BETWEENNESS URGENT !! **

POINTS H, I , AND J ARE THREE POINTS ON A LINE WITH COORDINATES -4/5, -1/SQRT5 AND -1/10. WHICH POINT IS BETWEEN THE OTHER TWO ?
*Thursday, June 13, 2013 at 10:59am*

**Geometry**

10
*Thursday, June 13, 2013 at 1:45am*

**Geometry**

post it.
*Wednesday, June 12, 2013 at 8:43pm*

**Geometry**

As = pi*r^2 + pi*D*h As = 3.14*100 + 3.14*20*42 = 2953 m^2.
*Wednesday, June 12, 2013 at 8:40pm*

**Math**

SA = 4 * pi * r^2 SA = 4 * 3.14 * 4.75^2 SA = 283.385 square units http://www.math.com/tables/geometry/surfareas.htm
*Wednesday, June 12, 2013 at 5:29pm*

**GEOMETRY I BEG YOU PLEASE HUHUHU **

Points w,h and y and three points on a line with coordinates -2/3, 5/12, -sqrt of 7 / 6 . which point is between the other two ?
*Wednesday, June 12, 2013 at 10:27am*

** PLEASEEE GEOMETRY **

POINT H,I,J AND THREE POINTS ON A LINE W/ COORDINATE -4/5 , -1/SQRT5 AND -1/10. WHICH POINT BETWEEN THE OTHER TWO ?
*Wednesday, June 12, 2013 at 9:38am*

**geometry**

Which of the following statements is true?Select one of the options below as your answer:A. A 25o angle is congruent to a 25o angle. B. Two intersecting lines form two pairs of congruent angles. C. It is possible for congruent angles to add up to 90o. D. All of the above are ...
*Wednesday, June 12, 2013 at 9:12am*

**geometry**

Which of the following statements is true?Select one of the options below as your answer:A. A 25o angle is congruent to a 25o angle. B. Two intersecting lines form two pairs of congruent angles. C. It is possible for congruent angles to add up to 90o. D. All of the above are ...
*Wednesday, June 12, 2013 at 9:11am*

**GEOMETRY **

POINTS M,N, AND O ARE 3 POINTS ON A LINE WITH COORDINATE 5, 2 SQUARE ROOT OF 5 AND 3 SQUARE ROOT OF 2 RESPECTIVELY, WHICH POINT IS BETWEEN THE OTHER TWO ?
*Wednesday, June 12, 2013 at 6:43am*

**GEOMETRY **

How to solve for x in geometry ? for example - there is a line segment with 3 points first point to the second point is 3x while second point to the third is 5 and below the line segment there is a bracket, it is named 14 . it starts from the 3x to 5 ( it ranges from the first...
*Wednesday, June 12, 2013 at 4:58am*

**Geometry**

40. Find the surface area of a conical grain storage tank that has a height of 42 meters and a diameter of 20 meters. Round the answer to the nearest square meter. (1 point) 3,028 m2 3,971 m2 1,357 m2 1,671 m2
*Tuesday, June 11, 2013 at 9:44pm*

**Geometry 1**

find the distance between K(9,2) AND L(-3,9)to the nearest tenth
*Tuesday, June 11, 2013 at 1:55pm*

**Geometry**

v = 4/3 πr^3 so, r = ∛(3v/4π) a = 4πr^2 = 4π ∛(9v^2/16π^2) = 4π∛(9*2098^2/16π^2) = 792.54 Hmmm. Typo somewhere?
*Tuesday, June 11, 2013 at 11:03am*

**geometry**

ad=10 units;ab=8 units;ac=12 units;ed=4.5 units.if <bad=50,what is the measure of<adc?
*Tuesday, June 11, 2013 at 10:46am*

**geometry**

The volume of a sphere is 2,098 pi m^3, Not 2,098 m3. It might help if you ask the right question.
*Monday, June 10, 2013 at 9:37pm*

**geometry**

if you mean the ratio of their corresponding sides, it would be 8 : 15 check" 8^3 : 15^3 = 215 : 3375 since volumes of similar shapes are proportional to the cube of their sides
*Monday, June 10, 2013 at 8:45pm*

**Geometry**

The radius is the distance between the centre and the given point, which is r=sqrt(15^2+4^2)=sqrt(241) The circle with centre (2,-5) is (x-2)^2+(y-(-5))^2=r^2 There is only one choice that fits these criteria.
*Monday, June 10, 2013 at 7:51pm*

**Geometry**

53. What is the equation of the circle with center (2, –5) that passes through the point (–2, 10)? (1 point) (x – 2)2 + (y – (–5))2 = 25 (x – (–2))2 + (y – 10)2 = 241 (x – 2)2 + (y – (–5))2 = 241 (x – (–2))2 + (y...
*Monday, June 10, 2013 at 6:55pm*

**Geometry**

50. Find the value of x for ° and °. The figure is not drawn to scale. (1 point) 34° 56.5° 22° 68°
*Monday, June 10, 2013 at 6:51pm*

**MATH**

The surface area of a sphere is 4 * pi * r^2 271.6 = 4 * 3.14 * r^2 http://www.math.com/tables/geometry/surfareas.htm
*Monday, June 10, 2013 at 6:44pm*

**math**

http://www.math.com/tables/geometry/surfareas.htm I'll be glad to check your answer.
*Monday, June 10, 2013 at 6:39pm*

**Geometry**

46. Assume that lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x. Figures are not drawn to scale. mO = 128° (1 point) 52 308 64 256
*Monday, June 10, 2013 at 6:38pm*

**geometry**

45. Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3. (1 point) 8 : 15 64 : 225 15 : 8 225 : 64
*Monday, June 10, 2013 at 6:36pm*

**Geometry**

help please
*Monday, June 10, 2013 at 6:35pm*

**Geometry**

44. The volume of a sphere is 2,098 m3. What is the surface area of the sphere to the nearest tenth? (1 point) 1,700 m2 146.2 m2 850 m2 26,364 m2
*Monday, June 10, 2013 at 6:34pm*

**Geometry**

It is a conditional probability problem where the distribution is binomial. The general expression for conditional probability for probability of event A given event B is P(A|B)=P(A∩B)/P(B) where A = P(exactly 2 heads) B=P(at least one head) P(A∩B)=P(A) since A is a ...
*Monday, June 10, 2013 at 5:21pm*

**Geometry**

A fair coin is flipped 3 times. The probability of getting exactly two heads, given that at least one flip results in a head, can be written as ab, where a and b are coprime positive integers. What is the value of a+b?
*Monday, June 10, 2013 at 1:35am*

**geometry**

What is the area of a equlateral triangle with the measurement of 6-inch side?
*Saturday, June 8, 2013 at 12:40am*

**Geometry**

x + x + 54 = 180 2x = 180 - 54 2x = 126 x = 63 63 + 54 = 117 http://www.mathsisfun.com/geometry/supplementary-angles.html
*Thursday, June 6, 2013 at 7:15pm*

**Geometry**

Angle E and angle F are supplementary. The measure of angle E is 54 more than the measure of angle F. What is the measure of each angle?
*Thursday, June 6, 2013 at 7:10pm*

**math**

http://www.mathsisfun.com/geometry/congruent.html
*Thursday, June 6, 2013 at 4:33pm*

**geometry**

tanθ = 8749/675
*Thursday, June 6, 2013 at 4:04pm*

**geometry**

A group of hikers are 675 ft from the base of Guadalupe Peak, which is 8,749 ft tall. What is the angle of elevation when they look at the top of the peak?
*Thursday, June 6, 2013 at 3:42pm*

**geometry**

perimeter of two figures = 9 : 5 area of the two figures = 9^2 : 5^2 = 81 : 25
*Thursday, June 6, 2013 at 9:16am*

**geometry**

The figures are similar. The ratio of the lengths of their corresponding sides is 45:25, or 9:5. Find the ratio of their perimeters and the ratio of their areas. The figures are not drawn to scale.
*Thursday, June 6, 2013 at 8:12am*

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