Sunday

February 14, 2016
**geometry **

From an apartment window 24 m above the ground, the angle of depression of the base of a nearby building is 38 degrees and the angle of elevation is of the top is 63 degrees. How tall is the nearby building?
*Monday, January 5, 2015 by james*

**Analytical Geometry**

A 10 foot long ladder is leaning against a vertical wall with the top of the ladder 8ft from the ground. What is the slope of the ladder? How far is the foot of the ladder from the wall? Can a 6 foot tall man walk under the ladder 1 foot from the wall? Justify your answer.
*Sunday, January 4, 2015 by Julius*

**Geometry**

In rectangle ABCD, AC= 8x-10 and BD=2x+20. Find the length of BD
*Saturday, January 3, 2015 by Matt*

**Geometry**

Find an equation of the line passing through the point (6,5) and perpendicular to the line whose equation is 2y+3x=6
*Saturday, January 3, 2015 by Matt*

**Geometry **

If triangle ZXY is an equilateral triangle and the measure of W equals 34 degrees, what is the measure of the triangle WXZ? Work: XZ bisects WXZ and ZXY ; since W is 34 degrees, than Y is 34 degrees and since ZXY is equilateral, that also means that Z is 34 degrees.
*Thursday, January 1, 2015 by Kathy*

**geometry**

Find the locus of a point which is equidistant from the origin and the point (-2,5)
*Monday, December 29, 2014 by Anonymous*

**geometry**

how do you find the speed of the plane 130 miles per hour, cross wind 20 miles hour
*Saturday, December 27, 2014 by brian*

**Geometry**

In quadrilateral exam EA intersects XM at G and XM bisects angle EXA and angle EMA Prove EG is congruent to GA Can you please help me
*Tuesday, December 23, 2014 by Kiki*

**Geometry I**

What is the measure of 1? • 47o • 37o • 74o • 53o
*Friday, December 19, 2014 by Anonymous*

**GEOMETRY**

The sum of the measures of two exterior angles of a triangle is 264o. What is the measure of the third exterior angle? • 84o • 96o MY ANSWER?? • 112o • 124o
*Thursday, December 18, 2014 by SANDRA*

**geometry**

Tan@ + tan2@ + tan3@ ... tann@ = ?
*Wednesday, December 17, 2014 by Anonymous*

**Geometry **

Points D, E, and F are the midpoints of sides \overline{BC}, \overline{CA}, and \overline{AB} of \triangle ABC, respectively, and \overline{CZ} is an altitude of the triangle. If \angle BAC = 71^\circ, \angle ABC = 39^\circ, and \angle BCA = 70^\circ, then what is \angle EZD+\...
*Tuesday, December 16, 2014 by Krash*

**Urgent geometry help**

On my test over parallel lines and proportional parts in triangles today, there was a question that asked to solve for x. There was 2 problems with x in them in the triangle. So would I just have to multiply each part by two and set them equal to each other?
*Monday, December 15, 2014 by Anonymous*

**Analytic Geometry**

Find the bisectors of the interior angles of the triangle whose sides are the line 7x+y-7=0, x+y+1=0 and x+7y-4=0.
*Sunday, December 14, 2014 by Carl*

**easy geometry**

Can you please show you solution and final answer here. Thanks! 1.Find the altitude,perimeter and area of an isosceles trapezoid whose sides have lengths 10 cm, 20 cm, 10 cm and 30 cm. 2. The formula A=P(a+r)^2 is used to find the amount of money A in an account after P pesos ...
*Sunday, December 14, 2014 by cyrus*

**Geometry**

By the water cooler in an office, there are conical paper cups. The radius is about 1.2 inches and the height is about 3.5 inches. How much water does the cup hold if it is filled to the top?
*Saturday, December 13, 2014 by Lisa*

**easy geometry**

1)If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus. 2)A regular hexagon with a perimeter of 24 units is inscribed in a circle. Find the radius of the circle. 3)Find the altitude,perimeter and area of an isosceles trapezoid whose sides ...
*Saturday, December 13, 2014 by cyrus*

**geometry**

A regular hexagon with a perimeter of 24 units is inscribed in a circle. Find the radius of the circle.
*Saturday, December 13, 2014 by cyrus*

**geometry**

1.The perimeter of parallelogram QUAD is 10 more than 5 times AU. If QU =26 cm. find AU 2.If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus SOlutions pleaseeeeeee
*Saturday, December 13, 2014 by cyrus*

**geometry**

The perimeter of a parallelogram QUAD is 10 more than five times AU.If QU = 26 cm.Find AU.
*Saturday, December 13, 2014 by cyus*

**geometry**

In four non collinear points , how many line segments can be drawn?
*Friday, December 12, 2014 by Jumbo*

**Geometry**

an airplane flying at an altitude of 10,000ft or 1.89 miles. The airport at which it is schooled to land is 50 mi away. Find the average angle at which the airplane must descent for landing round your answer to the nearest degree.
*Friday, December 12, 2014 by Anonymous*

**geometry**

1. The sides of a triangle, in centimetres, are given by 3n-4, 3n+9, 4n+5. Draw a diagram to show the information. If the perimeter of the triangle is 114 cm, find the length of each side.
*Thursday, December 11, 2014 by majid*

**Geometry**

Carl is looking to buy a farm. While looking at a potential property, Carl wants to know the height of the silo. He measures a nearby tree to be 8ft. When he stands 25ft away from the silo and 2 ft away from the tree, he can see the silo in the distance. His eyesight is 5 ft ...
*Thursday, December 11, 2014 by Luke *

**Math- Geometry**

Given: Angle ABC is a right triangle with hypotenus AB D,E and F are midpts of the sides of the triangle Proof: a. CDEF is a rectangle b. EC is half of AB
*Thursday, December 11, 2014 by Lori*

**geometry**

Chords AB and DC intersect at R. Using the values given in the diagram below, what are the lengths of AR and AB.
*Thursday, December 11, 2014 by TJ*

**geometry**

Satellite Explorer VII, with a = 4465 and b = 4462, and with the center of the Earth being at one of the foci of the ellipse. Assuming the Earth has a radius of about 3960 miles,graph both the orbits of Explorer VII and earths surface on the same axis if the average radius of ...
*Wednesday, December 10, 2014 by Jenn*

**Geometry**

A marathon runner ran the first 4 miles in 27.8 minutes. If she continues running at this pace, how long will it take her to run the entire marathon of 26.2 miles?
*Tuesday, December 9, 2014 by Kimberly *

**geometry**

Points B, D, and F are midpoints of the sides of EC = 33 and DF = 20. Find AC. The diagram is not to scale. (1 point) A:40 B:33 C:10 D:66
*Tuesday, December 9, 2014 by Anonymous*

**geometry**

the perimeter of a square window is 18 feet 8 inches. Find the area of the window in a square inches and in square feet.
*Monday, December 8, 2014 by Kimberley*

**GEOMETRY**

write the following composition as one translation: T3,5 0 T4,-4
*Monday, December 8, 2014 by nelly*

**geometry**

Q: In baseball, the baseline is a segment connecting the bases. A shortstop is told to play back 3 yd from the baseline and exactly the same distance from second base and third base. Describe how the shortstop could estimate the correct spot. There are 30 yd between bases. ...
*Monday, December 8, 2014 by Victoria*

**geometry**

Q: In baseball, the baseline is a segment connecting the bases. A shortstop is told to play back 3 yd from the baseline and exactly the same distance from second base and third base. Describe how the shortstop could estimate the correct spot. There are 30 yd between bases. ...
*Monday, December 8, 2014 by Victoria*

**GEOMETRY - URGENT! HELP!**

Let ABCD be a parallelogram. Let M be the midpoint of AB and N be the midpoint of AD. Diagonal BD intersects CM and CN at P and Q respectively find PC/BD.
*Saturday, December 6, 2014 by kayla1*

**Geometry**

Let ABCD be a parallelogram. Let M be the midpoint of AB and N be the midpoint of AD. Diagonal BD intersects CM and CN at P and Q respectively find PC/BD.
*Saturday, December 6, 2014 by kayla1*

**Geometry**

I have four questions: 1. The area of trapezoid ABCD is 60. One base is 4 units longer than the other, and the height of the trapezoid is 5. Find the length of the median of the trapezoid. 2. In trapezoid ABCD, line BC is parallel to line AD, angle ABD = 105 degrees, angle A...
*Saturday, December 6, 2014 by jared*

**GEOMETRY**

THE area of circle B is 25 times greater than the area of circle A. The radius of circle A is 3. What is the radius of circle B?
*Thursday, December 4, 2014 by MARIA*

**geometry**

A rectangle has a side whose length is 5 and a diagonal whose length is √74. What is the area of the rectangle?
*Tuesday, December 2, 2014 by shannon*

**College Geometry**

A tipi is a portable structure made of poles and covered in hides. Native American tipis varied in size and the number of poles used. A 12-pole tipi framework is shown in the following figure. The framework of a tipi lean toward the west so the apex was not centered above the ...
*Monday, December 1, 2014 by Rae*

**Geometry**

Draw a pentagon shaped courthouse, it must be painted. Each wall of the courthouse is 80ft by 18ft. Problem:
*Sunday, November 30, 2014 by Kiara*

**geometry**

Having a very hard time. Can someone please help. Im trying to find how many sides a polygon has if, the difference of the interior and exterior angles is 100 degrees?
*Sunday, November 30, 2014 by Brandi*

**math geometry project**

Design a dance floor with a mosaic pattern. • Classify triangles, use congruent triangles in real-life situations, find the areas of triangles and quadrilaterals. Investigation: You work for a construction company. One of your clients wants the company to build a 16 foot ...
*Saturday, November 29, 2014 by Aayush*

**geometry**

which propery of a rigid transformation is exclusive to a ratio?
*Saturday, November 29, 2014 by Anonymous*

**Geometry**

Diagonals of quadrilateral ABCD intersect at O.If area of triangle ACB is 5 sq.units,area of triangle BCD is 9 sq.units,area of triangle CDA is 10 sq.units and area of triangle DAB is 6 sq.units,Find area of triangle AOB. Im begging you! pls I badly need an answer!! can you ...
*Saturday, November 29, 2014 by Catrina*

**geometry**

Equilateral triangle ABC and isosceles triangle DBC share side BC. If angle BDC= 34 and BD=BC, what is the measure of angle ABD? I don't know how to solve this questions, can someone guide me through?
*Wednesday, November 26, 2014 by Ana*

**Geometry**

Equilateral triangle ABC and isosceles triangle DBC share side BC. If angle BDC= 34 and BD=BC, what is the measure of angle ABD? I don't know how to solve this questions, can someone guide me through?
*Wednesday, November 26, 2014 by Ana*

**Coordinate Geometry (Algebra 1)**

Line segment RS is perpendicular to line segment PQ, and the coordinates are R(4, -5), S(-8, 4), P(0, 6), and Q(-3, y). What is the value of y?
*Wednesday, November 26, 2014 by Kimora*

**Geometry**

The instructions say, "The measure of an exterior angle of a regular polygon is given. Find the measure of an interior angle. Then find the number of sides. For another problem just like this, they gave the number 18 and I subtracted 18 from 180 and solved it like this, ...
*Tuesday, November 25, 2014 by Melissa*

**Geometry**

Kuya John is balancing a triangular tile using a monopod. Where will he put the triangular tile on the monopod so that the tile is in the most stable position? Explain and justify.
*Tuesday, November 25, 2014 by Hershey*

**Geometry **

HELP PLEASE! This is for Connections Academy. Lesson 8, Unit 5: Triangles Unit Test What is the range of possible values for x? The diagram is not to scale.
*Sunday, November 23, 2014 by Emalee*

**geometry **

the ratio of the length of the corresponding side of two regular polygons is 3:4. the are of the larger polygon is 320m^2. what is the are of the smaller polygon?
*Thursday, November 20, 2014 by ana*

**Geometry**

Original Statement "If it's a garage sale, then it's a Sunday." Statement 1 "If it's a Sunday, then it's a garage sale." Statement 2 "If it's not a Sunday, then it's not a garage sale." Statement 3 "If it's not a ...
*Wednesday, November 19, 2014 by Megan*

**Geometry**

The radius of Jupiter is approximately 44,423 miles, and the radius of the Earth is approximately 3,960 miles. How many times larger is the volume of Jupiter than the volume of the Earth? Round your answer to the nearest whole number.
*Tuesday, November 18, 2014 by Anonymous*

**GEOMETRY**

the coordinates of point T are given. The midpoint of ST is (5,-8). Find the coordinates of point S. 18) T(10,18)
*Tuesday, November 18, 2014 by matt*

**Geometry**

Write proof for the following Given: line AC is congruent to line BD, line AD is congruent to BC Prove: triangle DAX is congruent to triangle CBX It's an isosceles trapezoid. From top left is labeled A. Top right labeled B. Bottom right labeled C. Bottom left labeled D. ...
*Monday, November 17, 2014 by Anonymous*

**Geometry**

Write a proof for the following Given: line AC is congruent to line BD, line AD is congruent to BC Prove: triangle DAX is congruent to triangle CBX It's an isosceles trapezoid. From top left is labeled A. Top right labeled B. Bottom right labeled C. Bottom left labeled D. ...
*Sunday, November 16, 2014 by Anonymous*

**Geometry**

A square piece of cardboard, 24 inches by 24 inches, is to be made into an open box by cutting out each of the four corners. Each side of the box will then be folded up. Find the maximum volume that the box can hold.
*Thursday, November 13, 2014 by Tom*

**Geometry**

stem construct a triangle given side a, altitude to side b, and the median to side c
*Thursday, November 13, 2014 by Cassie*

**Geometry**

In triangle NLM, name the angle that is included between line NM and line LN? Is it line LM?
*Wednesday, November 12, 2014 by Ana*

**geometry**

Find the value of x. Then classify the triangle by its angles. 60 X 60
*Wednesday, November 12, 2014 by Anonymous*

**Geometry**

What is the formula for finding the central angle of a sector when given the radius and arc length?
*Tuesday, November 11, 2014 by Dan*

**Geometry**

It's snowing today therefore it is December.
*Tuesday, November 11, 2014 by Kat *

**Geometry**

Find the area of a square whose sides are all tangent to the circle.
*Tuesday, November 11, 2014 by Cherry*

**geometry**

find the perimeter and area of each figure. Give your answers in simplest radical form. 1. a 30 degree-60 degree-90 degree triangle with hypotenuse length 28 centimeters
*Monday, November 10, 2014 by lucy*

**Geometry **

ABC is isosceles with AB = AC = 8 units and BC = 6 units. D and E are the midpoints of and respectively. What is the length of ? 3 units 4 units 6 units 8 units
*Monday, November 10, 2014 by Please Help quick*

**Geometry**

Conic sections: Ellipse Show that the distance between the directrix and center is D1C = a/e. F1V1 + F1V2 = eD1V1 + eD1V2 2a = e(D1V1 + D1V2) = e(D1V1 + [D1V1 + V1V2]) = e(D1V1 + V1V2 + V2D2) = e(D1V1 + V1C + + CV2 + V2D2) = e([D1V1 + V1C] + [CV2 + V2D2]) = e([D1C] + [CD2]) 2a...
*Sunday, November 9, 2014 by B*

**geometry**

Eddie is arguing with tana about the probability of flipping three coins. They decided to flip a penny, nickel, and a dime. Which would be better determining the sample space, a tree diagram or an area model? Justify your answer.
*Saturday, November 8, 2014 by lily*

**algebra and geometry**

On a floor plan, a room measures 2 inches by 5 inches. If the scale is 1 inch =4 feet, what is the actual size of the room?
*Friday, November 7, 2014 by teshena*

**geometry**

A total solar eclipse occurs when the moon passes between the earth and the sun, and the darkest shadow cast by the moon, called the umbra, hits the surface of the earth. If the umbra does not hit the surface, as shown in the following figure, then a total solar eclipse is not...
*Thursday, November 6, 2014 by Terri*

**geometry**

Jake needs 9 pieces of rope that are each the same length. He cuts the pieces from a rope that is 8 yards long and uses up the whole piece of rope. How long is each piece of rope?
*Thursday, November 6, 2014 by Anonymous*

**geometry**

construct a triangle ABC where AB=8.5 and BC=6.2.
*Thursday, November 6, 2014 by aman*

**geometry**

we have atriangleABC given: segment AB and AC are congruent BE is the median to AC CD is the median to AB PROVE THAT AG is the perpendicular bisector of BC?
*Wednesday, November 5, 2014 by kiko*

**geometry**

given ab=ac be is the medan to ac cd is the median to ab conclusion ag is the perpendicular bisector of bc
*Tuesday, November 4, 2014 by kiko*

**geometry**

If you are standing 22 feet straight from a tree and you look at the top of the tree with a distance of 33 feet how tall would the tree be?
*Tuesday, November 4, 2014 by Anonymous*

**geometry**

List the set of all even numbers between 2 and 10, inclusive.
*Tuesday, November 4, 2014 by raina*

**geometry**

a rectangular piece of land measures 0.7 km by 0.5km each side is to be fenced with 4rows of wires.What is the length of wire needed?
*Tuesday, November 4, 2014 by Anonymous*

**Geometry**

Two standard number cubes are thrown simultaneously. What is the probability that the combined result of the two cubes is exactly 7, or that it is less than (but not equal to) 6? Round answer to the nearest thousandth
*Monday, November 3, 2014 by victoria*

**geometry**

the area of a pool is 12 square units and the area of the walkway around the pool is 60 square units, what is the perimeter of the walkway?
*Thursday, October 30, 2014 by emily*

**Geometry**

Which pair of slopes could represent perpendicular lines? 1/7, 7 * 1/2, 2/4 –3/4, 4/3 (my answer or not?) 1/3, 1/3
*Thursday, October 30, 2014 by Anonymous*

**Geometry**

A carpenter is building a staircase using his knowledge of right angles. The steps have a horizontal landing and a vertical rise causing each step to be a right triangle cut out. Depending on the purpose, steps may be adjusted by the angle of elevation which determines the ...
*Thursday, October 30, 2014 by Dana*

**Geometry**

P->P'(-8,-3) for the glide reflection where the translation is (x,y)->(x,y-5) and the line reflection is x=-5. what are the coordinates of P? (-8,-8) (-8,2) (-2,-3) (-2,2)
*Wednesday, October 29, 2014 by Selena *

**Geometry/Algebra**

What is the slope-intercept form of the equation y – 7 = –5/2 (x + 4)? y – 2 = –5/2(x + 2) y + 7 = –x + 5/2 y = –4/7+ 2 y = –5/2x – 3 (I keep coming up with y=5/2(x+4)+7 2. Distribute 5/2 y=(5/2x) + 10 + 7 3. Simplify. y=(5/2)x + 17 and ...
*Tuesday, October 28, 2014 by Anonymous*

**Physics **

The four masses shown in the figure below are connected by massless, rigid rods. moi-cog-problem-fig (a) Find the coordinates of the center of gravity of this object if MA = 120 g and MB = MC = MD = 180 g x = ? m y = ? m (b) Find the moment of inertia about an axis that passes...
*Tuesday, October 28, 2014 by Brittany *

**Geometry**

In triangle ABD, AC is an altitude, measure of angle 1 = 7x + 9 and measure of angle 2 = 3x + 11. What is the measure of angle 1.
*Sunday, October 26, 2014 by Sarah*

**geometry**

Quadrilateral Math has been dissected into squares. The area of the red square is 64 square units and the area of the blue square is 81 square units. Determine the dimensions and the area of Quadrilateral Math?
*Saturday, October 25, 2014 by Maria*

**geometry**

Find the approximate surface-area-to-volume ratio of the Moon. The radius of the Moon is 1,080 miles
*Friday, October 24, 2014 by victoria*

**Geometry**

The second-largest state in the US is Texas, covering 268,580 square miles (including water). What is the approximate radius of a sphere with the same surface area as the area of Texas?
*Friday, October 24, 2014 by felix*

**geometry**

The volume of a basketball is 448.92 cubic inches, and the volume of a baseball is 12.77 cubic inches. How many baseballs would “fit” inside a basketball?
*Thursday, October 23, 2014 by ALBERT GRAY*

**Geometry- thanks reiny **

what's a composite space in two boxes I don't understand because there's two boxes that are together and they want the volume
*Wednesday, October 22, 2014 by Elizebeth taylor*

**geometry**

Find the volume of the cylinder. Use 3.14 for pi the radius is 3 and the height is 12
*Wednesday, October 22, 2014 by Elizebeth taylor*

**geometry**

In the formula for the volume of a cylinder, how is the area of the base determined?
*Wednesday, October 22, 2014 by Elizebeth taylor*

**geometry**

The volume of a cylinder is 980 in.. The height of the cylinder is 20 in. What is the radius of the cylinder? Express your answer to the nearest hundredth.
*Wednesday, October 22, 2014 by Elizebeth taylor*

**Geometry**

The main tank at an aquarium is a cylinder with diameter 203 ft and height 25 ft. Using 3.14 for pi, find the volume of the tank to the nearest cubic foot.
*Wednesday, October 22, 2014 by Elizebeth taylor*

**Basic Geometry**

What does ' mean? ie. triangle abc is congruent to triangle a'b'c'
*Monday, October 20, 2014 by Melinda*

**geometry**

Find the dimensions of a rectangle if the area is 1500 ft to the 2nd power
*Monday, October 20, 2014 by Anonymous*

**geometry**

QRST is a trapezoid. If angle S is equal to 23 degrees, what is the measure of angle T
*Monday, October 20, 2014 by brittany*

**geometry **

B is the midpoint of line AC D is the midpoint of line CE AB is conjecture to DE Prove AE=4AB
*Monday, October 20, 2014 by Lay*

**geometry**

Y is a the midpoint of XZ. For each pair of points given, find the coordinates of the third point. (Im not sure how to work this out, any help would be grateful) X(5,5), Z(-1,5) Y(_____,_____) Z(2,8), Y(-2,2) X(_____,_____)
*Sunday, October 19, 2014 by Jhaliyaha*

**Geometry **

The length of a table is 6 feet on a scale drawing the, length is 2 inches write three possible scales for drawing
*Sunday, October 19, 2014 by Maria *

**Geometry **

a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing
*Sunday, October 19, 2014 by Maria *