# Homework Help: Math: Geometry

## Recent Homework Questions About Geometry

**geometry/algebra**

The algebraic expression of a dilation is (x, y) changes to (1/a x, 1/a y). If the dilation is an enlargement, give three possible values of a. Anything over 1 for the denominator would make the x and y values smaller. So what would the possible values be for a?

**Geometry**

I have a rectangle MNOP ~ rectangle STUV. What is the length of line TU?? First rectangle is MNOP with 10 on top and 4 on the side. Second rectangle is STUV. With the top marked X for the unknown number and n the side is 6. I need help solving this. Do you guys think you can ...

**Calculus with Analytical Geometry**

1. A bullet is shot upwards with an initial velocity of 1000 ft/sec from a point 20 ft above groand its height above the ground at time t is given by h(t)=-16t^2 + 1000t + 20. How high will the bullet go and how long will it take the bullet to reach the highest point? 2. A ...

**Geometry**

At a carnival, you spin a spinner that has four equal-sized sections, each a different color: green, yellow, red, and blue. If you land on green, you win 2 points. If you land on yellow, red, or blue, you lose 1 point. Write the expected value equation.

**Geometry B: Unit 3: Similarity Lesson5 Practice**

If you have done this please help me with just the practice question I have already done the quiz I just need help with the practice problems because they are in more detail.

**Geometry**

A cow is tethered by a piece of rope 50 meters long to the side of a rectangular barn. The rope is fastened to a hook (on the barn) that is located 20 meters from the corner along the longest side of the barn which measures 70 meters by 20 meters. Over how much ground (outside...

**Geometry**

Determine the relationship between the diagonals PR and QoS of rhombus PQRS with P(-3,-2),Q(-1,2), R(3,2), s(1,-1)

**7th Grade Math**

Hi, I really need help with this question because 1. I suck at geometry and 2. I'm lost but I think this is the answer. Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. triangle base: 9 ft. triangle height: 4 ft. prism ...

**geometry**

How do i find 3.14 in a circle of 23yd?

**Geometry**

In the diagram to the left, ÚABC\angle ABCÚABCangle, A, B, C and ÚDCB\angle DCBÚDCBangle, D, C, B are right angles. Which of the following is closest to the length of DE‾\overline{DE} DE start overline, D, E, end overline? I am ...

**Geometry**

Triangle $ABC$ is isosceles with point $A$ at the point $(2, 7)$, with point $B$ at $(-2, 0)$ and with point $C$ at $(3, -1).$ Triangle $ABC$ is reflected over $\overline{BC}$ to form $\triangle A'BC$. Triangle $A'BC$ is reflected over $\overline{A'C}$ to form $\triangle A'B'...

**Geometry**

A Ladder leans against a 15 foot tall building to form a right angle. The ladder is placed so it is 8 feet from the base of the building. What is the length of the ladder?

**Geometry**

Krista was vacationing in the jungle and wanted to ride a zip line. The platform was 173ft above the ground. The angle of elevation of the zip line was 40 degrees from the ground. Approx. How long was her ride down the zip line?

**geometry**

. In , AD and BE are the altitudes to BC and AC respectively. If AD = 8 cm, BC = 10 cm and AC = 12 cm, find the length of BE.

**geometry**

A painter sets a ladder up to reach the bottom of a second-story window 16 feet above the ground. The base of the ladder is 12 feet from the house. While the painter mixes the paint, a neighbor's dog bumps the ladder, which moves the base 2 feet farther away from the house. ...

**Geometry**

If theta is an acute angle of a right triangle and cos theta equals 3/8, what is the value of csc theta?

**Geometry/Algebra**

The segments formed by the altitude to the hypotenuse of a right triangle are 8 and 10. Find the shorter leg of that triangle. Help please! I am confused on which formula to use or if I should use the Pythagorean Theorem.

**geometry**

Two overlapping identical circles have radii of 6.17. The area of their overlapping sections is 42.7. How far apart are the centers of the circles? Answer is 6.55

**geometry**

Two persons each hold the end of a 20 ft long jumping rope. How far apart should they stand if they hold the rope 4.5 ft off the ground, and the middle of the rope just touches the ground? Assume the arc formed by the jumping rope is circular. I know that this problem involves...

**Geometry**

Two secants of a circle meet in a point out side to the circle. One Secant has 4 and x. The other Secant is 5 and 4. What will be x?

**Geometry**

The endpoints of AB are A(2, 3) and B(8, 1). The perpendicular bisector of AB is CD , and point C lies on AB. The length of CD is √10 units. The coordinates of point C are_____ . The slope of CD is _____ . The possible coordinates of point D are_____ and_____ .

**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.

**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)

**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 **

**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

**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

**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

**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?

**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****

**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 :)

**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 :)

**Geometry**

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

**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?

**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

**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

**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

**Geometry**

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

**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)

**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 ...

**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 ...

**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?

**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 ...

**Math**

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

**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, ...

**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?

**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

**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?

**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.

**geometry**

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

**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 ...

**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...

**Geometry**

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

**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 ...

**geometry**

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

**Geometry**

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

**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.

**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?

**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!!

**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

**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

**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

**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!

**geometry**

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

**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 ...

**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...

**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

**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?

**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?

**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

**Geometry**

When can 9.27 round to 9.30

**Geometry**

What is the converse

**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)

**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

**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)?

**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 ...

**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

**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...

**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)?

**geometry**

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

**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?

**Geometry**

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

**math**

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

**Geometry**

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

**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?

**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?

**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?

**Geometry**

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

**Geometry**

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

**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 ...

**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.

**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.

**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?

**geometry**

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

**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

**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)

**Geometry**

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

**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 ?

**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 ...

**Geometry**

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

**Geometry**

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