Monday

March 30, 2015

March 30, 2015

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**Geometry**

A rectangle has the same perimeter as a square. If the area of the rectangle is 9 less than the area of the square, the side length of the square is how much longer than the shorter side of the rectangle ?
*Friday, September 20, 2013 at 6:50pm*

**Geometry**

Two squares have an average perimeter of 36 and an average area of 90. What is the side length of the larger square?
*Friday, September 20, 2013 at 4:57pm*

**Geometry**

If one of the interior angles of a pentagon has a measure of 48 degrees, what is the average measure of the pentagon's other interior angles ?
*Friday, September 20, 2013 at 4:42pm*

**Math (Geometry)**

Find the length of the third side of a triangle if the area of the triangle is 18 and two of its sides have lengths of 5 and 10.
*Friday, September 20, 2013 at 4:01pm*

**geometry**

Given: FG (SEG) bisects BT (SEG) BO=7x-6 OT=5x+10 Prove: BO=50
*Thursday, September 19, 2013 at 2:22am*

**geometry**

Given: FG (SEG) bisects BT (SEG) BO=7x-6 OT=5x+10 Prove: BO=50
*Thursday, September 19, 2013 at 2:21am*

**Geometry**

Points G and H lie on line k and have coordinates (2,0) and (-1,9), respectively. Which of the following points is also on line k ? a) (3,-9) b) (4,-6) c) (4, -3) d) (5, -3) e) (5, -1)
*Wednesday, September 18, 2013 at 9:37am*

**Geometry**

A square has side lengths of 3n and n + 18. What is the area of the square?
*Tuesday, September 17, 2013 at 8:26pm*

**Geometry**

Arc DE has a length of ð(pie), and the straight line distance between points D and E is equal to the radius of the circle. What is the area of the circle?
*Tuesday, September 17, 2013 at 7:26pm*

**Geometry**

The ratio of the radius of circle Q to the radius of circle R is 4:5. The area of circle R is what percent greater than the area of circle Q?
*Tuesday, September 17, 2013 at 7:21pm*

**Geometry**

Use the given plan to write a two-column proof of the Symmetric Property of Congruence. Given: segment AB ≅ segment EF Prove: segment EF ≅ segment AB Plan: Use the definition of congruent segments to write segment AB ≅ segment EF as a statement of equality. ...
*Tuesday, September 17, 2013 at 7:20pm*

**geometry**

what does the definition of angle bisector mean
*Monday, September 16, 2013 at 10:24pm*

**Geometry**

A rectangle has side lengths in the ratio 2:3. The ratio of the rectangles's perimeter to its area is 5:9. What is the length of the longer leg of the rectangle?
*Monday, September 16, 2013 at 3:44pm*

**Geometry**

The running track at the right is a rectangle with a half circle on each end. FI and GH are diameters. Find the area insidevthevtrack to the nearest tenth.
*Sunday, September 15, 2013 at 12:16pm*

**Radius Question Geometry(college level)**

When you have 3 separate circles and the radius of each of those circles is 10 do i calculate like this? 2(10)+2(10)+2(10)=60 cm for my diameter
*Saturday, September 14, 2013 at 8:21am*

**geometry**

if the line ab bisects the segment cd at p then p is the mid point of segment cd
*Friday, September 13, 2013 at 8:07pm*

**geometry**

Each of the three circles have a radius of 10. The line OA contains the center of the three circles, and the line OB is tangent to the right-hand circle. Find the length of segment CD
*Friday, September 13, 2013 at 7:48pm*

**Geometry**

Kristen lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Kristen’s home and the football field at the exact point where an altitude to the right triangle formed by her home, the park, and the ...
*Wednesday, September 11, 2013 at 11:35pm*

**geometry**

If BC = 16 and AC = 29, find AB.
*Wednesday, September 11, 2013 at 9:38am*

**geometry**

in the original drawing, the rectangular pieces of paper from which the hands emerge measures 27.6 cm by 19.9 cm. on a poster of the drawing the paper is 82.8 cm long. what is the scale factor of the dilation used to make the poster? is it scale factor:3 what is the area of ...
*Tuesday, September 10, 2013 at 5:17pm*

**geometry**

m(0,3) n(6,0) p(0,-3) scale factor=-1/3 how do you do this i have to draw the image of the figure with given vertices under the dilation with the given scale factor centered at the origin
*Tuesday, September 10, 2013 at 5:17pm*

**geometry**

an optometrist dilates a patients pupil from 6 mm to 8 mm. what is the scale factor for this dilation? is it 2 Answer th
*Tuesday, September 10, 2013 at 5:16pm*

**geometry**

an optometrist dilates a patients pupil from 6 mm to 8 mm. what is the scale factor for this dilation? is it 2
*Monday, September 9, 2013 at 5:03pm*

**geometry**

m(0,3) n(6,0) p(0,-3) scale factor=-1/3 how do you do this i have to draw the image of the figure with given vertices under the dilation with the given scale factor centered at the origin
*Monday, September 9, 2013 at 4:52pm*

**geometry**

in the original drawing, the rectangular pieces of paper from which the hands emerge measures 27.6 cm by 19.9 cm. on a poster of the drawing the paper is 82.8 cm long. what is the scale factor of the dilation used to make the poster? is it scale factor:3 what is the area of ...
*Monday, September 9, 2013 at 4:22pm*

**Geometry**

Find the coordinates of the midpoint of a segment having the given endpoints. Then find the distance between the endpoints. 1. G(0,0), H(-3,4) 2. A(-4,-4), W(-2,2) 3. N(5,2), K(-2,8)
*Sunday, September 8, 2013 at 7:25pm*

**geometry**

Need help with a word problem - Carrie collected can food for a homeless shelter each day for one week. On day one she collected 7 cans, on day two she collected 8 cans, on day three she collected 10 cans and on day four she collected 13 cans. If Carrie wanted to give at least...
*Sunday, September 8, 2013 at 6:27pm*

**maths..... geometry word problems**

the length of a rectangle is 8 cm more than its width. if its perimeter is 56 cm, find its area.
*Sunday, September 8, 2013 at 9:30am*

**Geometry**

A triangle has side lengths 3in, 4in, and 6in. The longest side of a similar triangle is 15in. What is the length of the shortest side of the similar triangle?
*Sunday, September 8, 2013 at 1:40am*

**Geometry**

<1 and <2 are alternate interior angles formed by two parallel lines and a transversal. If m<2=68, what is m<1?
*Saturday, September 7, 2013 at 9:22pm*

**Geometry**

A 2ft. vertical post casts a 16in. shadow at the same time a nearby cell phone tower casts a 120ft. shadow. How tall is the cell phone tower?
*Saturday, September 7, 2013 at 8:15pm*

**algebra**

1. Are the rotations of figures always congruent? Why are or why not? 2. A car tire rotates when you drive. How is this type of rotation different from a rotation in Geometry? What other type of transformation is happening to the car tire? Explain.
*Friday, September 6, 2013 at 1:46pm*

**HELP! Geometry**

Part I 1. Why is the word coplanar included in the definition for parallel lines? 2. Explain why you think the angle pairs formed by two lines and a transversal are related. Why might it be helpful to identify them as angles that go together instead of independent angles
*Friday, September 6, 2013 at 12:33pm*

**Geometry**

How do you segment postulates to determine congruent segments
*Friday, September 6, 2013 at 12:32pm*

**Geometry**

Paragraph proof: in the figure AC and BD LIE IN PLANE j and BY AND CX lie on k C and D are collinear. 2.) points a c and x are coplanar. 3.) X and Y are collinear
*Friday, September 6, 2013 at 11:32am*

**Geometry..... reposted ques by me**

in the diagram AB=20 cm, BC=21 cm, AD=10 cm and DE= 10.5 cm. Angles ABC and ADE are right angles. if triangle ADE is removed from triangle ABC.What is the area of shaded region that remains?
*Friday, September 6, 2013 at 7:59am*

**geometry**

how to solve angle numbers?
*Friday, September 6, 2013 at 12:36am*

**Geometry**

ray OB is the bisector of angle AOC and ray OC is the bisector of angle BOD. m<AOD =120 find m<AOB
*Thursday, September 5, 2013 at 10:04pm*

**Geometry / Algebra 1 **

(a) The surface area of the prism shown is 314 square meters. Write an equation that u can solve to find the value of w. side a=wm b=8m and c=(w+4)m (on the picture) I'm guessing u use the formula surface area=2ab+2bc+2ac??? Well if so I need all that solved into y=ax*2+bx...
*Thursday, September 5, 2013 at 3:50pm*

**geometry**

Three line segments have the following measures: AB=6, BC= 3, and AC=8. If A,B, and C are distinct points, what conclusions can you draw about points A,B, and C? Draw a diagram and explain your answer.
*Thursday, September 5, 2013 at 1:55pm*

**geometry**

in the diagram AB=20 cm, BC=21 cm, AD=10 cm and DE= 10.5 cm. Angles ABC and ADE are right angles. if triangleADE is removed from triangleABC.What is the area of shaded region that remains?
*Thursday, September 5, 2013 at 1:19pm*

**HELP! Geometry**

How would you solve this? Graph each fi gure in the c oordinate plane. Find each perimeter. 14. X (0, 2), Y (4, 2 1), Z ( 2 2, 2 1)
*Thursday, September 5, 2013 at 12:01pm*

**Geometry **

A rectangle has area and length. Find the width. Area=27t^2-18t Length= 9t How do I find the width?
*Wednesday, September 4, 2013 at 6:53pm*

**Geometry**

The length of one side of an isosceles triangle is two times the base b. This length is equal to (8b - 12),in. What is the value of b?
*Wednesday, September 4, 2013 at 6:23pm*

**Geometry**

(5d + 5) - (d +1)
*Wednesday, September 4, 2013 at 5:40pm*

**Geometry; Check answers?**

Given the points A (1, 2), B (-4, 4), C (-3, -3) and D (2, -5), determine ifLINE:AB and LINE:CD are parallel, perpendicular or neither. A. parallel B. both perpendicular and parallel C. perpendicular D. neither MyANSWER: A
*Wednesday, September 4, 2013 at 4:31pm*

**HELP! Geometry**

Determine the slope of a line perpendicular to the line shown. (3,5) and (7,-8) A. -4/13 B. 13/4 C. -13/4 D. 4/13
*Wednesday, September 4, 2013 at 4:18pm*

**Geometry**

Given the points A (-3, -2), B (1, 4), C (3, -4) and D (0, -2), determine [line ab] if and [line cd] are parallel, perpendicular or neither. A. parallel B. perpendicular C. both parallel and perpendicular D. neither
*Wednesday, September 4, 2013 at 3:52pm*

**Geometry**

Find the slope of a line parallel to the line passing through points at (1, -2) and (3, 2). A. 1/2 B. undefined C. 0 D. 2
*Wednesday, September 4, 2013 at 3:49pm*

**Geometry**

1. Why do you think that the slope of a vertical line is called "undefined?" 2. Can you find the equation of a line if you are given the slope and the x-intercept? If so, explain how. If not, explain why you can't.
*Tuesday, September 3, 2013 at 10:44pm*

**Geometry/algebra 1 **

Use the given area A of the rectangle to find the value of x. Then give the dimensions of the rectangle. A=91m^2 A=L•W L=(2x+3)m W=(x+2)m 91m^2=(2x+3)m•(x+2)m 91=(x+2)(2x+3) Now what?
*Tuesday, September 3, 2013 at 6:25pm*

**College Geometry**

In this assignment, you examine a process that links polygons and circles. You will reach some quantitative conclusions about their respective areas and the relationship between the two. As you know, a regular polygon has sides of equal length and angles that are the same. ...
*Tuesday, September 3, 2013 at 3:37pm*

**geometry**

The face-off areas in ice hockey have a diameter of 29.9 feet. Find the area of a face-off circle. Use 3.1.4. for pi. Round to the nearest tenth if necessary.
*Sunday, September 1, 2013 at 7:46pm*

**geometry**

a 27 feet tall ladder is placed so that it reaches 25 feet up on the wall of the house. How far is the base of the ladder from the wall of the house. Please help.
*Sunday, September 1, 2013 at 7:14pm*

**geometry**

round to the nearest tenth. a rectangular plot of land is 80 meters wide and 98 meters long. Find the length of the diagonal and if necessary, round to the nearest tenth.
*Sunday, September 1, 2013 at 6:56pm*

**Geometry**

An antique dealer visited three shops. She spent $25 at the first shop. At the second shop, she spent half of her remaining money and had $60 left. How much money did the dealer have originally.
*Sunday, September 1, 2013 at 11:32am*

**geometry**

Can you use two straight cuts to break the figure below into three pieces 5 squares numbered 12345 5 123 4
*Friday, August 30, 2013 at 10:49pm*

**Geometry/Algebra 1/12th grade **

Find the value of x. Round u'r answer to the nearest hundredth, if necessary. Area of triangle=108m^2 A=1/2 bh b=(x+6)m h=xm So, 108m^2=1/2 ((x+6)m)(xm) 108m^2=1/2 m^2+x^2+6???? If so then what? Sub m^2 from the left side?? Then what? :/
*Friday, August 30, 2013 at 2:19pm*

**geometry**

Given that r1=6i-8j+2k,r2=4i+5j+7k,r3=-2i+j+6k is a vector. Find r1r2,r2r3,r3r1(a)30,21,-8(b)26,23,8(c)24,19,-7(d)19,27,7
*Friday, August 30, 2013 at 3:40am*

**geometry**

if U=i+3j-2k and V=4i-2j-4k are vectors find U.V, 3U+V& (2U+V).(U-2V) (a)6,10,4(b)4143(c)11,4,5(d)5,11,6
*Friday, August 30, 2013 at 3:31am*

**geometry**

Rhombus RHOM with acute angle H
*Thursday, August 29, 2013 at 4:50pm*

**Geometry**

How do you do the problem 4k+7(-4-2k)=-2(k-2) Please help me I keep trying and can't get the right answer thanks-steph
*Thursday, August 29, 2013 at 1:03pm*

**Geometry**

Two angles are supplementary if the sum of their measures is 180∘. If the measure of one angle is 16x degrees, represent the measure of its supplement as an expression of x.
*Thursday, August 29, 2013 at 12:15am*

**Geometry**

If angle ABD is 79 what is angle ABC and DBC DBC (5x+4) ABC (8x-3)?
*Wednesday, August 28, 2013 at 1:19pm*

**geometry**

Bill plans to put a fence around a square plot of ground for a garden. a. if he wants to put 15 post on each side of the square, how many post will he need for his fence? 58 is this correct b. If he plans to space the posts evenly one yard apart on each side, how many square ...
*Wednesday, August 28, 2013 at 11:49am*

**geometry**

I'm confused ? So if GK=24 , HJ=10 , and GH=HI=IJ what's the length for HI help me ?
*Wednesday, August 28, 2013 at 1:42am*

**geometry**

what is the diffwereence between a postulate and theorom
*Tuesday, August 27, 2013 at 10:42pm*

**Geometry Honors**

You and your friend each draw 3 points. Your points lie in only 1 plane, but your friend's 3 points lie in more than one plane. Explain how this is possible.
*Tuesday, August 27, 2013 at 5:39pm*

**Geometry / Proofs**

Given: Triangle ABC with AD bisecting angle BAC, and AE is congruent to ED (both line segments). Prove: AE/AC = BD/BC. Statements Reasons
*Tuesday, August 27, 2013 at 3:24pm*

**geometry**

abc and cbd are adjacent angles which side do the angles have in common
*Tuesday, August 27, 2013 at 1:39am*

**geometry**

Which equation is the correct equation to solve for x? Given ST = 5x + 1 , TU = 4x -1, and SU = 54 Its multiple choice and the answers given are- A)(5x + 1) + 54 = 4x - 1 B)(4x - 1) + 54 = 5x + 1 C) 5x + 1 = 55 - 4x D) 5x + 1 = 27
*Monday, August 26, 2013 at 8:37pm*

**geometry**

a line that contains ab and cb
*Sunday, August 25, 2013 at 12:39am*

**GEOMETRY (Angles) PLEASE**

in triangle ABC, angle b is 5 more than twice angle A and angle C iss 35 less than three times angle A. Find the angles of triangle ABC
*Saturday, August 24, 2013 at 2:09am*

**Geometry**

A ship sails 5 km from a port A on a bearing of 85 degrees and then 6 km on a bearing of 50 degrees. Calculate the distance and bearing from A.
*Friday, August 23, 2013 at 8:19am*

**geometry**

if a picnic area is located at the midpoint between sacramento and oakland fidn the distance to the picnic area from the road sign roseville 5 sac 23 oakland 110
*Friday, August 23, 2013 at 12:56am*

**geometry**

a line that intersectgs two nonintersecting planes
*Friday, August 23, 2013 at 12:06am*

**Geometry; Check answers?**

For each graph, find (a)AB to the nearest tenth and (b)the coordinates of the midpoint of AB. 1. Coordinates are A(-9, -6) B(6,6) D=19.2 Midpoint=(1.5,-6) 2.A(-2,-2) B(8,-6) D=10.77 midpoint= (3,-4) 3. A(0,3) B(-2,-2) D=5.4 Midpoint= (-1,0.5)
*Tuesday, August 20, 2013 at 2:12pm*

**Geometry**

Which of the following best describes the front and back cover of a textbook when closed?
*Tuesday, August 20, 2013 at 1:25pm*

**Geometry, Help**

Help? I'm stuck. For each graph, find (a)AB to the nearest tenth and (b)the coordinates of the midpoint of AB. 1. Coordinates are A(-9, -6) B(6,6) 2.A(-2,-2) B(8,-6) 3. A(0,3) B(-2,-2)
*Tuesday, August 20, 2013 at 12:20pm*

**Geometry, Help**

1. Reasoning How does the Distance Formula ensure that the distance between two different points is positive? 2. There are two different formulas for midpoint. Is it possible to use the formula for midpoint "on a number line" when you are trying to find the midpoint...
*Monday, August 19, 2013 at 9:46pm*

**math - geometry**

Austin wants to sketch the graph of a circle represented by the given equation. (x - 4)2 + (y + 7)2 = 64 Using complete sentences, describe the steps used to sketch the circle on a coordinate grid
*Monday, August 19, 2013 at 9:39pm*

**geometry**

Suppose ABCD is a trapezoid with parallel sides AB and CD that has four points E,F,G and H tangent to the inscribed circle Γ on sides AB,BC,CD, and AD, respectively. If AE=2,BE=3, and the radius of Γ is 12, what is the length of CD?
*Monday, August 19, 2013 at 5:12pm*

**geometry**

ABCDEF is a regular hexagon. Square ABXY is constructed on the outside of the hexagon. Let M be the midpoint of DX. What is the measure (in degrees) of ∠CMD?
*Monday, August 19, 2013 at 11:56am*

**Math Geometry**

Starting from the point (0,0), a grasshopper makes a series of leaps on the coordinate plane. The grasshopper's first leap takes her to (3,4). After a move which adds (x,y) to the grasshopper's coordinates, her next move adds either (x,y-1) or (x-1,y) to her ...
*Sunday, August 18, 2013 at 12:54pm*

**geometry**

find the area of the rhombus (0.9m and 1.2m
*Friday, August 16, 2013 at 3:12pm*

**Geometry**

A person standing h feet above sea level can seecd miles to the horizon. The distance r is the radius of the earth = 3963 miles. d is the tangent to the circle forming a right angle to the radius. h + r is the tangent. Solve using Pythagorean theorem and secant-tangent theorem...
*Thursday, August 15, 2013 at 11:33pm*

**Geometry**

Help. PT=5x+3 and TQ=7x-9 Find the value of PT
*Thursday, August 15, 2013 at 4:34pm*

**ADVANCED AMC8 GEOMETRY QUESTION/MATH**

Let S be a subset of {1, 2, 3,... 100}, containing 50 elements. How many such sets have the property that every two numbers in S have a common divisor that is greater than 1? I really need help. Give me a good explanation with he answer. Thanks!!! :)
*Thursday, August 15, 2013 at 12:24pm*

**ADVANCED AMC8 GEOMETRY QUESTION/MATH**

In a chess variant, a "lord" can move one space at a time, either upward, or to the right, or diagonally upward and to the right. How many ways are there for a lord to move from the bottom left to top right corner of the 8 by 8 chessboard? This seems like a really ...
*Thursday, August 15, 2013 at 12:18pm*

**Geometry**

The coordinates of the vertices of a quadrilateral are R(-1,3) S(3,3) T(5,-1), and U(-2,-1).Find the perimeter of the quadrilateral. Round to the nearest tenth.
*Wednesday, August 14, 2013 at 8:38pm*

**Geometry MATH CHECK**

Check? In your own words, explain why we use the formula AB = |a - b| to find the distance of a segment. Include why you need to subtract and why you need to take the absolute value. We use that formula |a-b| because a and b are representing coodinate numbers you need to ...
*Wednesday, August 14, 2013 at 1:51pm*

**Geometry**

How would you do this? Rs=8y St=4y+8 RT=115y-9 a.Find the value of y b. Find rs, st, rt
*Wednesday, August 14, 2013 at 1:20pm*

**Geometry**

Help? 1. In your own words, explain why we use the formula AB = |a - b| to find the distance of a segment. Include why you need to subtract and why you need to take the absolute value. 2. Compare and Contrast Describe the difference between saying that two segments are ...
*Wednesday, August 14, 2013 at 1:08pm*

**ADVANCED AMC8 GEOMETRY QUESTION/MATH**

An equilateral triangle of side 14 centimeters is revolved about an altitude to form a cone. What is the number of cubic centimeters in the volume of the cone? Express your answer to the nearest whole number, without units. I just want the answer. Thanks! :)
*Friday, August 9, 2013 at 11:59am*

**geometry**

Martin's iPod has 24 songs on it. He wants to make a playlist consisting of three songs to dance to. Let N be the number of different playlists Martin can make. What are the last 3 digits of N?
*Friday, August 9, 2013 at 4:21am*

**Geometry **

If the distance from the top of a building to the tip of its shadow is 150 feet and the sun makes a 75 degree angle with the wall as shown in the image below, what is the length of the shadow?
*Thursday, August 8, 2013 at 10:08pm*

**Geometry**

Two marbles are sitting side by side in a glass container.b the base of the container is 10 units long and the radius of the smaller marble is 2 units. What is the radius of the larger marble? Describe the strategy used to answer the question.
*Thursday, August 8, 2013 at 6:22pm*

**ADVANCED AMC8 GEOMETRY QUESTION/MATH**

An equilateral triangle of side 14 centimeters is revolved about an altitude to form a cone. What is the number of cubic centimeters in the volume of the cone? Express your answer to the nearest whole number, without units. I really need help on this. I want the answer. Thanks!
*Thursday, August 8, 2013 at 12:57pm*

**geometry**

RS=8y+4 ST=4y+8 RT=15y-9 a.) what is the value of y? b.)find RS, ST, AND RT
*Wednesday, August 7, 2013 at 5:31pm*

**Chemistry**

What is the Lewis structure formula, electron pair geometry and the molecular geometry for SO4^2-
*Wednesday, August 7, 2013 at 1:12am*

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