# Homework Help: Math: Geometry

## Recent Homework Questions About Geometry

**Geometry**

1. The perimeter of an isosceles triangle is 50cm and the length of the altitude to the base is 5cm. Find the length of the base. 2. In quadrilateral QRST: TQ=8cm; (angle)R=60; (angle)T=90; QR=RS; ST=8cm. Find the exact length of the longer diagonal of the quadrilateral.

*Friday, February 26, 2016 by Anonymous*

**co-ordinate geometry maths**

find area of triangle abc & triangle def if D E F are mid points of AB BC &CA D(2,1) E(1,0) F(_1,3)

*Thursday, February 25, 2016 by anila*

**Math**

As part of a geometry assignment, John drew an equilateral triangle. Which of the following dimensions could represent the side lengths of the triangle John drew? A. 10, 11, 12 B. 13, 15, 17 C. 16, 18, 21 D. 17, 17, 17 **

*Thursday, February 25, 2016 by Anabel*

**Geometry**

Where can the medians of a triangle intersect? I. inside the triangle II. on the triangle III. outside the triangle A. I only B. III only C. I or III only D. I, II, or II

*Thursday, February 25, 2016 by Anonymous*

**Geometry**

What does the radius of a sphere join? any two points on the sphere and does not contain the center any two points on the sphere and contains the center <~my choice any two points on the sphere the center and a point on the sphere

*Thursday, February 25, 2016 by Jessica*

**Geometry**

Find the area of each rectangle wit the given base and height... A=lw 1) 4ft, 4in 2) 30in, 4yd 3) 2ft 3in, 6in 4) 40cm, 2m

*Thursday, February 25, 2016 by Charlie*

**geometry**

A 25 meter ladder is leaned against a tall building. If the ladder makes a 30 degree angle with the ground, how high up on the building (in meters) does the ladder fall?

*Wednesday, February 24, 2016 by Courtney*

**Geometry**

WHICH STATEMENT IS TRUE? a) a right angle has a complement b)and obtuse angle has a complement c)the supplement of a right angle is a right angle d) every angle has a supplement****

*Wednesday, February 24, 2016 by Charlie*

**Geometry**

Solve 10a - 5b = 25 for b. f) b = 10a + 25 g) b = 10a - 25 h) b = 2a +5 i) b = 2a - 5 What exactly are they asking me to do here? Can I get at least one with a step by step, then I'll do the others? And, then you can check my answers. Thanks :)

*Wednesday, February 24, 2016 by Nirvana ♥*

**Geometry**

Solve 10a - 5b = 25 for b. f) b = 10a + 25 g) b = 10a - 25 h) b = 2a +5 i) b = 2a - 5 What exactly are they asking me to do here? Can I get at least one with a step by step, then I'll do the others? And, then you can check my answers. Thanks :)

*Wednesday, February 24, 2016 by Nirvana ♥*

**Geometry**

The diagonals of rectangle ABCD intersect at point E. If AE=2x+5, and BD=5x+2, what is AC?

*Wednesday, February 24, 2016 by Alan*

**Geometry (Law of Cosine or Sine)**

two cars start moving from the same location but in different ways, then angle between them is 125. The first car moves 60 mph and the second car moves 75 mph how far apart are they after 2 hours and 45 mins?

*Wednesday, February 24, 2016 by Suzy*

**Geometry (check)**

solve each equation: 1) x + 2x - 6 + 6 MY ANSWER: x-x + 2x-x +12 _______________ x=12 2) 3x + 9 + 5x =81 MY ANSWER: 3x-3x + 9x + 5x-3x = 81 9 + 2x = 81 9-9 + 2x = 81-9 2x = 72 2x/2 = 72/2 x=36 3) x - 2 = -4 + 7w I need help with this one

*Wednesday, February 24, 2016 by Hazel*

**Geometry (check)**

solve each equation: 1) x + 2x - 6 + 6 MY ANSWER: x-x + 2x-x +12 _______________ x=12 2) 3x + 9 + 5x =81 MY ANSWER: 3x-3x + 9x + 5x-3x = 81 9 + 2x = 81 9-9 + 2x = 81-9 2x = 72 2x/2 = 72/2 x=36 3) x - 2 = -4 + 7w I need help with this one

*Wednesday, February 24, 2016 by Hazel*

**Geometry**

What does the diameter of a sphere join? any two points on the sphere any two points on the sphere and contains the center <~my choice any two points on the sphere and does not contain the center the center and a point on the sphere

*Wednesday, February 24, 2016 by Jessica*

**Geometry**

n^2 + n ________ 4n simplify the ration. Can u show me step by step, please? Thanks.

*Wednesday, February 24, 2016 by Hazel*

**geometry**

What is the point called in an equilateral triangle where the angle bisector, perpendicular bisector, height, median meet (they all meet in the same spot)

*Wednesday, February 24, 2016 by theatrefangirl*

**Geometry**

ted skated through one of the face off circles at a hockey rink. His path through the circle is shown in the figure. Given that the face off circle is 15 feet in diameter what distance within the face off circle did Ted travel?? If you google this there will be documents so ...

*Tuesday, February 23, 2016 by Anonymous*

**Geometry**

An observer (O) is located 660 feet from a tree (T). The observer notices a hawk (H) flying at a 35° angle of elevation from his line of sight. How high is the hawk flying over the tree? tan 35= h/660 0.70020753821= h/660 0.70020753821 * 660= h 462.1369752186= h h= 462.14 ...

*Tuesday, February 23, 2016 by Jessie*

**Geometry**

Given a cube with a volume of 18 cm3, what is the volume of a square pyramid that can fit perfectly inside the cube? this would be 6cm^3, right? since 3√18 is 6?

*Tuesday, February 23, 2016 by Jessie*

**Geometry**

Given a soda can with a volume of 21 and a diameter of 6, what is the volume of a cone that fits perfectly inside the soda can? (Hint: only enter numerals in the answer blank). 7 because volume of a cylinder is pi r^2 h, and a cone is 1/3 pi r^2 h, which is basically 21 ...

*Tuesday, February 23, 2016 by Jessie*

**Math**

Is there a way to send pictures on this website so I can have help with Geometry?

*Tuesday, February 23, 2016 by Anonymous*

**Geometry**

Name the angle that is supplementary to <COD a.<COA B.<BOC C.<COB D.<BOA Classify the triangle with angles with the measures 33,90, and 57 as acute, right, or obtuse a.Acute b.Right c.Obtuse Sandra is making the shape of a rhombus the first three angles are 75, ...

*Tuesday, February 23, 2016 by Sid.V*

**Geometry**

How do I find the interior angles of an irregular polygon WITH one external angle? I have an image as an example, but Jiskha won't allow internet addresses. What do I do?

*Monday, February 22, 2016 by anonymous*

**Geometry**

A brick has a length of 22 cm and a width of 17 cm. If the volume of the brick is 3,740 cm3, then find the height of the brick

*Monday, February 22, 2016 by Gabs*

**geometry**

A hemisphere tank is filled with water and has a diameter of ten feet. If the water weighs 62.4 pounds per cubic foot, what is the total weight of water in a full tank?

*Sunday, February 21, 2016 by jim*

**geometry**

12 foot board is leaning against a wall and makes a 77 degree angle with ground. How high does the board reach on the wall? I used Sin 77x 12 and got 11.692 but questions is round this to the nearest tenth of a foot.... Is it 11.7 feet? Thank you.

*Sunday, February 21, 2016 by sweet pea*

**geometry**

One leg of an isosceles right triangle measures 5 inches. Rounded to the nearest tenth, what is the approximate length of the hypotenuse?

*Friday, February 19, 2016 by Melissa*

**Math-Geometry**

"No rush this is study material" The intersection of roads P and Q creates a 71* angle. What are the complementary and supplementary angles of his inter section? A-The complementary angle is 71* and the supplementary angle is 29* B-The complementary angle is 29* and the ...

*Friday, February 19, 2016 by Fieroh*

**Geometry**

Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: 3. Yes, because the diagonals of...

*Thursday, February 18, 2016 by Sue*

**Geometry**

A trapezoid may have three congruent sides. True or False I think true

*Thursday, February 18, 2016 by Sue*

**Geometry**

Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. 4. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. 5. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: 3. Yes, because the ...

*Thursday, February 18, 2016 by Sue*

**geometry**

find the positive difference between to consecutive even integers such that 14 times the first is equal to 12 times the second

*Wednesday, February 17, 2016 by max*

**Geometry**

In the surface area formula for cylinders, which expression represents the lateral area? πrh 2πrh <~my chocie πr*2 2πr*2

*Wednesday, February 17, 2016 by Jessica*

**geometry**

Theres a right triangle. its hypotenuse is 30. There is a line in the triangle making a smaller one. this breaks the hypotenuse to 24 and 6. I need to find the length of the other sides If i can figure out how to post a picture i will.

*Wednesday, February 17, 2016 by Ineedhelpplease*

**geometry**

Triangle DEF contains two congruent acute angles. The sum of the measures of the two congruent acute angles is greater than 90 degrees. Anna concludes that the triangle must be an acute triangle. Which best describes her conclusion?

*Tuesday, February 16, 2016 by martha*

**Math HELPP!!!!**

as a part of a geometry assignment john drew an equilateral triangle. which of the following dimensions could reprent the side length of the triangle john drew? 10,11,12 13,15,17 16,18,21 17,17,17•• Correct me!!

*Tuesday, February 16, 2016 by Jojo*

**geometry**

Constuct a triangle ABC ,given that angleA is 70 degree & angle C is 35 degree and length of perpendicular from A on BC is 5cm .meausre BC

*Tuesday, February 16, 2016 by lucky*

**Quick calc question**

Use geometry to evaluate the integral from 0 to 10 of the function f of x, dx for f of x equals 5 for x less than or equal to 5 and equals the quantity 10 minus x for x greater than 5 . 12.5 25 37.5 Cannot be found

*Tuesday, February 16, 2016 by Mel*

**geometry please help!**

1:Which of the following equations represent nonlinear functions? y=5-2/3x y=5x^2+7 y=1.5x-0.25 y=3 y=10/x+20

*Tuesday, February 16, 2016 by reality check*

**geometry please help!**

what would the graph of y=x^2+1 look like? A: a straight line B: a parabola C: a dotted line D: none of the above I think b plz help!

*Tuesday, February 16, 2016 by reality check*

**geometry**

Given that, m less than A B C equals 80 degree . Find straight m angle ADC

*Monday, February 15, 2016 by Anonymous*

**Geometry / Math**

Hi guys I need help ASAP, I have tried every thing I know about math and I cant figure any of them out. Thank you... _________________________________ 1. Use a formula to find the surface area of the square pyramid. (H.6ft.)(W.3ft.)(L.3ft.) A. 45 ft B. 81 ft*** C. 36 ft D. 72 ...

*Monday, February 15, 2016 by Please Help*

**Geometry 1**

Ship A and Ship B leave from the same point in the ocean. Ship A travels 150 mi due west, turns 65° toward north, and then travels another 100 mi. Ship B travels 150 mi due east, turns 70° toward south, and then travels another 100 mi. Which ship is farther from the starting...

*Sunday, February 14, 2016 by Anonymous*

**Geometry**

The top of a valentine candy box is in the shape of an equilateral triangle if the altitude of the triangle is 8cm what is the perimeter of the triangle

*Saturday, February 13, 2016 by Anonymous*

**Geometry**

A surveyor is 130 feet from a tower. The angle of elevation to the top of the tower is 32 degrees. Find the height 81.2 feet?

*Saturday, February 13, 2016 by Anonymous*

**Geometry**

A 16 foot ladder is leaning against a house. It touches the bottom of a window that is 12.5 feet above the ground. What is the measure of the angle that the ladder forms with the ground? 38.6 degrees?

*Saturday, February 13, 2016 by Anonymous*

**Geometry**

A plane takes off at an angle of 24 degrees with the ground. How high in feet is the plane after its flight path is 3 miles long

*Saturday, February 13, 2016 by Anonymous*

**Geometry**

When can 9.27 round to 9.30

*Saturday, February 13, 2016 by Anonymous*

**Geometry**

What is the converse

*Saturday, February 13, 2016 by Anonymous*

**Geometry**

It is recommended that for a height of 20 inches a wheel chair ramp be 19 feet long. What is the value of x rounded to the nearest tenth? (Hint : All units must be the same)

*Saturday, February 13, 2016 by Anonymous*

**GEOMETRY**

I'm working on a story problem that is using 30-60-90 triangles. I have to solve for the hypotenuse. The long leg is 6 feet. So, short leg would be 6 = x square root of 3 /3...Then I'm stuck. I know the hypotenuse is dbl the short leg

*Friday, February 12, 2016 by sweet pea*

**geometry**

An observer (O) spots a plane flying at a 55° angle to his horizontal line of sight. If the plane is flying at an altitude of 21,000 ft., what is the distance (x) from the plane (P) to the observer (O)?

*Friday, February 12, 2016 by Cassie*

**Geometry**

A small airplane takes off from point A and continues to climb upward in a straight line, as shown in the diagram. What is the plane’s distance from point A when it reaches point C? Point A going up is 5600 ft. Going across is 5200 ft. Point B across is 6500 ft. Going up is ...

*Friday, February 12, 2016 by Ciera*

**Quick calc question**

Use geometry to evaluate the integral from 0 to 10 of the function f of x, dx for f of x equals 5 for x less than or equal to 5 and equals the quantity 10 minus x for x greater than 5 . 12.5 25 37.5 Cannot be found

*Friday, February 12, 2016 by Mel*

**Geometry**

I have two questions about finding the slope. 1. If a staircase has 8 inches of rise for every 12 inches of tread, what is the slope of the staircase? So if I do rise/run that would be 8/12 and reduced would be 2/3 2. My second question is how to leave your slope answer? Could...

*Thursday, February 11, 2016 by Rishi*

**Geometry**

We are talking about slope. I don't understand this question. How would you convert an increase of 25% as a slope (rate of change)?

*Thursday, February 11, 2016 by Rishi*

**geometry**

the side of a triangle are 7,16,18. find the longest side of a similar triangle whose shortest side is 7.5.

*Thursday, February 11, 2016 by Meagan*

**Geometry**

I'm a little confused about what a Pythagorean Triple is. As long as your two legs are both whole numbers, isn't every one a triple?

*Thursday, February 11, 2016 by Sami*

**Geometry**

Could you please explain the difference between B, longer base of a trapezoid and b, base in geometry?

*Thursday, February 11, 2016 by Joe*

**math**

What is the difference between B as in the longer base of a trapezoid and b as in base in terms of geometry?

*Wednesday, February 10, 2016 by Sami*

**Geometry**

2 similar rectangles have areas of 6in and 24 in. What is the scale factor of the smaller rectangle to the larger rectangle?

*Wednesday, February 10, 2016 by Tom*

**Geometry**

A road has a grade of 28.4%. This means that the road rises 28.4 ft over a horizontal distance of 100 ft. What angle does the hill make with a horizontal line?

*Wednesday, February 10, 2016 by Anonymous*

**Geometry**

For 2 similar triangles ABC and DEF, the scale factor of ABC to DEF is 2:3. If AB=2(BC) and DE=3(BC), what is EF?

*Wednesday, February 10, 2016 by Joe*

**Calculus with Analytical Geometry 1**

You take out a 15 year mortgage for $20,000 at the rate of interest 4% compounded monthly. If, after 5 years, interest rate drop and you wish to refinance. How much remains to be on your mortgage?

*Tuesday, February 9, 2016 by Sherianna*

**Geometry**

What is the difference between B as in the longer base of a trapezoid and b as in base in terms of geometry?

*Tuesday, February 9, 2016 by Anonymous*

**Geometry**

13. In the rhombus m<1=160. What are m<2 and m<3? The diagram is not drawn to scale.

*Tuesday, February 9, 2016 by blah*

**Geometry**

How would one solve similar right triangles if the first triangle has y and x as legs and a (altitude) as hypotenuse, and the second triangle has one leg of 50, the other is a, and the hypotenuse is 100. I solved for a, and it came out to be 86.6? Is this correct? How do I ...

*Monday, February 8, 2016 by Liz*

**Calculus with Analytical Geometry**

Find the present value (PV) of the annuity with each payment of $3500 at the end of each year for 3 years in an account that pays 6% compounded annually.

*Saturday, February 6, 2016 by Sherianna*

**Geometry**

Do you know how I would be able to draw figures on the computer to practice calculating perimeter and area? I want it to look like graph paper (so horizontal and vertical lines) and then make different shapes so I can practice.

*Friday, February 5, 2016 by John*

**Geometry**

What is the midpoint of CD given the coordinates C(-4,8) and D(8,-4)? (0,0) (2,2) (4,4)** (6,6) Am I right?

*Friday, February 5, 2016 by Asher*

**geometry**

When the vertex of an angle is inside the cricle, you must _____ the arcs and then take _____.

*Thursday, February 4, 2016 by Boberto*

**Geometry**

The endpoints of a line segment are at the coordinates (4, -2, 5) and (6, 4, -3). What is the midpoint of the segment? (-2, -6, 8) (10, 2, 2) (5, 1, 1) (-1, -3, 4) My choice- C

*Thursday, February 4, 2016 by HELP PLEASE*

**Geometry**

The endpoints of a line segment are at the coordinates (4, -2, 5) and (6, 4, -3). What is the midpoint of the segment? (-2, -6, 8) (10, 2, 2) (5, 1, 1) (-1, -3, 4)

*Thursday, February 4, 2016 by Arianna*

**Geometry**

What is the distance between (5, -6, 4) and (4, -4, -2)? sqrt9 sqrt41 sqrt39 sqrt35 My choice- sqrt35

*Thursday, February 4, 2016 by Arianna*

**7th grade geometry**

A circular path two feet wide has an inner diameter of 150 feet. How much farther is it around the outer edge of the path than around the inner edge ?

*Thursday, February 4, 2016 by Martha*

**Geometry**

In a class of 50 high school juniors, 32 students either play a sport or are in the marching band. There are 22 juniors who playa sport and 16 who are in the marching band. What is the probability that a randomly selected junior plays a sport and is in the marching band The ...

*Wednesday, February 3, 2016 by Karri*

**Geometry**

Write the equation of each circle. Center at (-1,8) passes through (9,3)

*Wednesday, February 3, 2016 by Boberto*

**Geometry**

s one side of a rectangular fish tank best represented by a point, line, plane, or ray?

*Wednesday, February 3, 2016 by Anonymous*

**Math**

Which statement is a true statement? A All rectangles are squares. B All squares are rectangles. C Every rhombus is a rectangle. D Every rectangle is a rhombus. I thought it was A, but I'm awful with.. almost all types of geometry.

*Wednesday, February 3, 2016 by Brien*

**math ,geometry**

a circle is touching the sides BC of /_\ ABC at P.AB and AC when produced are touching the circle at Q and R respectively, Prove that AQ=1/2 (AB+BC+CA)

*Wednesday, February 3, 2016 by lahari*

**math ,geometry**

a circle is touching the sides BC of /_\ ABC at P.AB and AC when produced are touching the circle at Q and R respectively, Prove that AQ=1/2 (AB+BC+CA)

*Wednesday, February 3, 2016 by lahari*

**Geometry**

Find the point that is one-fourth of the way from (-3,1) to (11,9)

*Tuesday, February 2, 2016 by Jay*

**Geometry**

Which equation has intercepts x(1, 0, 0), y(0, -1, 0), and z(0, 0, 2)? 3x-2y+6z=12 2x-2y+z=2 4x-4y+z=4 x-y+2z=4 My answer- 2x-2y+2=2

*Monday, February 1, 2016 by Arianna*

**Geometry**

In December 2004, the exchange rate of Mexican pesos to American dollars was 9.52 to 1. You paid 450 pesos for a jacket. Use the following model to find the price of the jacket in dollars. Show work

*Monday, February 1, 2016 by Carrie*

**Geometry**

The Arkansas State Capitol Building is a smaller version of the U.S. Capitol Building. The U.S. Capitol is 752 feet long and 288 feet tall. The Arkansas State Capitol is 564 feet long. What is the height of the Arkansas State Capitol? Show work

*Monday, February 1, 2016 by Carrie*

**Geometry**

The ratio of the side lengths of a quadrilateral is 2:4:5:7 and its perimeter is 36 meters. Determine the length of each side. x = a = b = c = &#...

*Monday, February 1, 2016 by Carrie*

**Geometry**

The perimeter of a triangle is 45 feet. The ratio of the width to the length is 2:3:4. Find the measure of each side. show work x = a = b = c =

*Monday, February 1, 2016 by Carrie*

**Geometry**

The measures of the angles in a triangle are in the extended ratio 3:4:5. Find the measures of the angles. show work x = m∠1 = ° m∠2 = ° m∠3 = ...

*Monday, February 1, 2016 by Carrie*

**Geometry**

The altitude to the hypotenuse of a right triangle divides the hypotenuse into segments 6 inch and 10 inch long, Find the length h of the altitude.

*Sunday, January 31, 2016 by Kala'e*

**Geometry**

Which of the following represents the length of a diagonal of a trapezoid with vertices of (-b,c), (b,c), (-a,0), and (a,0)? 1- sq root (a+b)^2-c^2 2- sq root (a-b)^2 - c^2 3- sq root (a-b)^2 +c^2 4- sq root (a+b)^2 +c^2

*Sunday, January 31, 2016 by Steve*

**analytic geometry**

1. The orbit of the earth is an ellipse with the sun at a focus, the semi-major axes 93 million miles and the eccentricity is 1/60. Find the greatest and least distance of the earth from the sun. 2. A battle shipping is sailing at a straight line towards east at 40km/hour from...

*Saturday, January 30, 2016 by sylvia*

**analytic geometry**

1. Find the longest and shortest distance from (10, 7) to the circle x^2 + y^2-4x-2y-20=0 2. From the start, a man runs 4km towards north, 3 km towards east and takes a rest. Draw the line from starring point to resting point and line from resting point to finish point. Find ...

*Friday, January 29, 2016 by sylvia*

**geometry**

2 inch by 3 photograph is enlarged by 75 percent what are the dimensions of the new enlarged photograph?

*Friday, January 29, 2016 by Ana*

**Geometry**

X is a point 7cm from the center of circle O with radius 9 cm. AXB is a chord of the circle such that AX= 2 XB. Find the length of AB.

*Friday, January 29, 2016 by Zack*

**Geometry**

I know that a rectangular room measures 2300 sq. ft, how long and how wide would the rectangle be?

*Friday, January 29, 2016 by Pamela*

**Geometry**

Solve for x: x/3=x+2/5

*Friday, January 29, 2016 by Kaoru*

**Geometry**

What is the distance between point P(-2, 1, 3) and point Q(-1, 4, -2) to the nearest tenth? 35.1 units 9.3 units 18.4 units 5.9 units My answer: 18.4 units

*Friday, January 29, 2016 by Nicole*

**geometry**

A triangle is made of wood sticks of lengths 8, 15 and 17 inches joined end-to-end. Pieces of the same integral length are cut from each of the sticks so that the three remaining pieces can no longer form a triangle. How many inches are in the length of the smallest piece that...

*Thursday, January 28, 2016 by M*

**analytic geometry**

1. Given the parabola defined by y^2 =-12x, find the coordinates of the focus,the length of the latus rectum and the coordinates of its endpoints.Find also the equation of the directrix. Sketch the curve. 2. Find the eccentricity of an ellipse when the length of the latus ...

*Thursday, January 28, 2016 by sylvia*