Sunday

May 29, 2016
**geometry**

From the base of a hill , the angle of elevation is 23 degrees . The tree forms a 110 degrees angle with the hillside . The distance from the base of the hill to the base of the tree is 120 meters. Find the height of the tree.
*Tuesday, December 15, 2015 by Liwen*

**Geometry 12**

Find the mistake made in the following proof. Explain why you think your colleague made this mistake. Given: AB∣∣ED and AB≅ED Prove: ΔABF≅ΔDEF Proof: It is given that AB∣∣ED so angle ∠DEB is congruent to angle ∠ABE, ...
*Monday, December 14, 2015 by Kayla Druery*

**Geometry 12**

What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 42° and its congruent sides each measure 9 cm? Please express your answer as a number only.
*Monday, December 14, 2015 by Kayla Druery*

**Geometry**

1. In an isosceles triangle that is not equilateral the angle between the congruent sides is called a ____ A> Leg B> Vertex C> Base D> Corollary <<<<<<<<THIS ONE 2. In triangle ABC, AB = CB, m<ABC = 4x-3, and m<CAB = x-3. What is m<...
*Friday, December 11, 2015 by Chase*

**physics**

Water is leaking out of an inverted conical tank at a rate of 10700.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 7.0 meters and the diameter at the top is 4.0 meters. If the water level is rising ...
*Thursday, December 10, 2015 by emily*

**Geometry **

Write a paragraph proof of this theorem: In a plane, if two lines are perpendicular to the same line, then they are parallel to each other.
*Thursday, December 10, 2015 by nicka*

**Geometry**

To repair a roof that is 4 meters high, Mr. Russo leans a 5-meter ladder against the side of the building. To reach the roof, how far away from the building should he place the base of the ladder?
*Thursday, December 10, 2015 by K*

**geometry**

find orthocenter triangle PQR .P(1,7)Q (1,2)R (11,2).
*Wednesday, December 9, 2015 by Rachel*

**geometry**

c//d,<7 and< are= corresponding angles
*Wednesday, December 9, 2015 by Sarah*

**analtyic geometry**

a house is 40 feet wide and 60 feet long a lady wants to use 260 feet of fencing to fence an area behind her house. the back of the backyard is 60x+2x and one side is 200-4x divided by 2. the back yard is a rectangle shape
*Wednesday, December 9, 2015 by summer*

**geometry**

hat is the area of a regular octagon with a side length of 5 meters and a distance from the center to a vertex of 6.5 meters?
*Wednesday, December 9, 2015 by wendy*

**geometry **

I don't get this question. EC bisects <BED, m<AEB =11x-12 and m<CED =4x+1. Find m<AEC
*Wednesday, December 9, 2015 by nicka*

**Geometry**

Complete the 2 column proof. Given m<rst = 5x and m<uvw = 7x <rstand <uvw are supplementary. Prove x=15 m<rst=5x and m<uvw=7x <rst and <uvw are supplementary given m<rst + <uvw = 180 definition of supplementary angles 5x+7x = 180 ? 12x=180 ? x=15 ?
*Wednesday, December 9, 2015 by Steve*

**Geometry **

The lengths of the sides of a triangle are 3x, 5x – 12, and x + 20. Find the value of x so that the triangle is isosceles. Can somebody show me a step-by-step process of how to get the answer(s) please? I need it:) I also saw that x could = 8, 10, and 6. Is this true? How...
*Tuesday, December 8, 2015 by SkatingDJ*

**Geometry **

Two straight lengths of wire are placed on the ground, forming vertical angles. If the measure of one angles formed is 72 degrees, what are the measures of the other three angles. Explain your answer. My answer-- Vertical angles are congruent and if the measure of 1 of the ...
*Tuesday, December 8, 2015 by Ashley*

**Geometry**

In an isosceles triangle, line segment AC is congruent to line segment AB. Find the value of y in terms of x if one of the remote interior angle is y and the exterior angle is 3x+20. I think the answer is y=6x-140 but I don't know how they got it.
*Tuesday, December 8, 2015 by Ashley*

**Math: Geometry**

isosceles trapezoid ABCD is shown below with a line ef drawn through its center. Of the isosceles trapezoid is dilated using a scale factor of 1/2 and a line is drawn through the center of the new dilated figure, what relationship will that line have with line EF? An image ...
*Tuesday, December 8, 2015 by Blah*

**geometry**

find the slope of a line that passes through the following points. (4,5) and (3,0) using the perpendicular and parallel slopes write slope intercept form equations for both perpendicular and parallel lines all perpendicular lines pass through the point(2,5) and parallel lines...
*Monday, December 7, 2015 by da *

**Chemistry**

1. [ PF4 ]+ (a) What is the electron-group geometry, according to VSEPR theory? (b) What is the molecular geometry? (c) Is this species polar or nonpolar?
*Monday, December 7, 2015 by S*

**Geometry**

mx^2+12x+9m=0. for what values of m will the equation have one repeated root? I can't remember how to calculate double root values
*Monday, December 7, 2015 by Carolyn*

**geometry**

Let $\overline{PQ}$, $\overline{RS}$, and $\overline{TU}$ be parallel chords of a circle. The distance between chords $\overline{PQ}$ and $\overline{RS}$ is 4, and the distance between chords $\overline{RS}$ and $\overline{TU}$ is also 4. If $PQ = 78$ and $TU = 50$, then find...
*Sunday, December 6, 2015 by Anonymous*

**geometry**

Let $\overline{PQ}$, $\overline{RS}$, and $\overline{TU}$ be parallel chords of a circle. The distance between chords $\overline{PQ}$ and $\overline{RS}$ is 4, and the distance between chords $\overline{RS}$ and $\overline{TU}$ is also 4. If $PQ = 78$ and $TU = 50$, then find...
*Sunday, December 6, 2015 by Daniel*

**Math(analytic geometry)**

I'm studying analytic geometry and i came accross this question;"find the tangents common to x²+ y²=8 and y²=16x.How am i going to work it out,please? I tried to work out their gradients which gave me x²+y²=8 2x+2ydy/dx=0 dy/dx=-2x/2y =-x/y y&...
*Friday, December 4, 2015 by Shyla*

**Geometry**

Quadrilateral MATH is a parallelogram. The perimeter of MATH is _____.
*Friday, December 4, 2015 by Anonymous*

**math 210 fundamentals of geometry**

Complete Problem 31 in Section 5.2 Exercises (Ch. 5) of Essentials of Geometry for College Students. Use the table below to show your work and solve the problem. You may add or delete rows as necessary.
*Friday, December 4, 2015 by barbara*

**Geometry**

You are given two dice to roll. One is black with six sides; the other is white with four sides. For a given roll, what is the probability that the values of the dice add to 99?
*Thursday, December 3, 2015 by Kylie*

**Geomertry**

Points c,a,b are connected to form a triangle along the surface of a sphere. Points R,E,N are connected to form a triangle on a euclidean. What is true between spherical and euclidean geometry?
*Thursday, December 3, 2015 by pizzarolll*

**Geomertry**

Points c,a,b are connected to form a triangle along the surface of a sphere. Points R,E,N are connected to form a triangle on a euclidean. What is true between spherical and euclidean geometry?
*Thursday, December 3, 2015 by bigvol*

**Geometry **

How would you write the name of a segment differently than the name of a line? what symbols would you use? How is constructing a perpendicular bisector similar to constructing an angle bisector? how is it different? Describe a process you would use to create the perpendicular ...
*Thursday, December 3, 2015 by Ashley*

**Geometry - Proofs**

Given : ABCE is a rectangle. D is the midpoint of CE. Prove : AD is congruent to BD . Statements || Reasons 1. ABCE is a rectangle. D is the midpoint of CE . || 1. Given 2. <AED is congruent to BCD || 2. Definition of rectangle 3. AE is congruent to BC || 3. Definition of ...
*Thursday, December 3, 2015 by SkatingDJ*

**Curriculum Areas**

1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A. Is most ...
*Thursday, December 3, 2015 by Anonymous*

**geometry problems**

two angles are complementary. the measure of one angle is 1/5 of the measure of its compliment.find the measure of the smaller angle
*Wednesday, December 2, 2015 by cronica fay*

**Creative Activities in Other Curriculum Areas**

1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A. Is most ...
*Wednesday, December 2, 2015 by Anonymous*

**Geometry**

A boat left dock A, traveled north for 10 miles, then 45 East of north for 20 miles and docked at B. A.How far north did the boat travel? How far east did it travel? B. Find the magnitude and direction of the direct-path vector AB. a. North 24.1 East 14.1 b. 22.4 magnitude 45 ...
*Tuesday, December 1, 2015 by Shannon*

**geometry**

Write a paragraph proof. Given: A is congruent to B. B is congruent to C. and D is perpendicular to C. Prove: A is perpendicular to D im reallllyyy confused pls help me write this out
*Tuesday, December 1, 2015 by HELENA*

**Geometry**

A flagpole is 45 feet away from the school building. A 6-foot tall student stands 15 feet away from the building. What is the height of the flagpole?
*Tuesday, December 1, 2015 by janessa *

**geometry**

A scale for a scale drawing is 10 cm:1 mm. Which is larger, the actual object or the scale drawing? Show work. --I understand that the answer is 100 times larger since 10mm equals 1cm. BUT how do I show the work of how this is solved? THANK YOU!
*Tuesday, December 1, 2015 by Tim*

**geometry help plsss**

friend constructs line xy so that it is perpendicular to and contains the midpoint of line AB. he claims that line AB is the perpendicular bisector of line line XY. what is his error
*Monday, November 30, 2015 by bella*

**geometry**

1.in this problem, you will draw three rays for each triangle. each ray starts at a vertex and passes through the interior of the triangle.(how many triangles am i drawing) what is the maximum number of points of intersection between the rays?
*Monday, November 30, 2015 by bella*

**Geometry**

If a point lies on the perpendicular bisector AB then the point is equidistant from _________. If a point lies on bisector of <RST, then the point is equidistant from _____
*Monday, November 30, 2015 by Sherrod*

**geometry **

When constructing a perpendicular bisector, why must the compass opening be greater than one half the length of the segment
*Monday, November 30, 2015 by cassie*

**geometry **

Explain how you can use a straightedge and a compass to construct an angle that is both congruent and adjacent to a given angle?
*Monday, November 30, 2015 by cassie*

**Geometry**

Can someone please walk me through this? I am really struggling with these type of problems and don't know what to do. Given: Line PS is perpendicular to line SQ, line RQ is perpendicular to line QS, line PQ is congruent to line RS Prove: Triangle PSQ is congruent to ...
*Monday, November 30, 2015 by Blair*

**Geometry**

Draw a counter example that shows that the statement, "if a segment is parallel to one side of a triangle and intersects two other sides then it must be the midsegment of that triangle" is false. Please explain how i can prove this wrong! Thanks!
*Monday, November 30, 2015 by Misaki*

**geometry**

A right triangle has one leg with a length of 48 and a hypotenuse with a length of 80. What is the length of the other leg?
*Monday, November 30, 2015 by Anonymous*

**Geometry**

Is it possible for two lines to neither intersecting nor parallel? If so, what are they called? Is it possible for two planes to neither intersecting nor parallel? If so, what are they called?
*Monday, November 30, 2015 by Sherrod*

**Geometry**

Find the coordinates of the orthocenter of the triangle with the given vertices. L (8,0) M (10,8) N (14,0)
*Monday, November 30, 2015 by Chase*

**Early Childhood**

1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A. Is most ...
*Sunday, November 29, 2015 by Tum*

**Geometry **

A boy flying a kite lets out 60ft of string. If the angle of elevation to the kite is 17°, how high above the ground is the kite
*Saturday, November 28, 2015 by Anonymous*

**geometry**

Perimeter of pool is 84ft squared. The removal charge for tile is $20 per linear foot. Each new 6-inch square tile costs $2. A pool professional installs the new tile for an additional $300 charge. What is the total cost for removal and installation, and additional charge?
*Saturday, November 28, 2015 by Kay*

**geometry**

- One cubic foot is approximately 7.5 gallons of water - A typical garden hose releases approximately 11 gallons of water per minute Total cubic feet is 2268. How long will it take to refill the pool?
*Friday, November 27, 2015 by Kay*

**Geometry**

Write a two-column proof. If point g is the centriod of triangle ABC and BG = 18. Find GE and BE. My work: ge is half so its 9. be equals 18 + 9 = 27 i need help on two column proof part
*Friday, November 27, 2015 by Anthony*

**Geometry **

Find the length of a segment that has endpoints h(2, -3) and j(12, 7) 20 10 square root 2 4 square root 2 40 Please help? Thx
*Wednesday, November 25, 2015 by SkatingDJ*

**Geometry **

A(-3,3) ---> A' is a glide reflection where the translation is (x,y) (x+5,y), and the line of reflection is y=1. What are the coordinates of A'? (2,-3) (-3,5) (5,1) (2,5) ---> is an arrow. I am not good on glide reflections and I'm very stuck on this one:( ...
*Wednesday, November 25, 2015 by SkatingDJ*

**Geometry **

A dilation has center (0, 0, 0). Find the image of the point (-1, -2, 0) for the scale factor of 3. Please help? Thanks
*Wednesday, November 25, 2015 by SkatingDJ*

**Geometry 1 question**

A(-3,3) ---> A' is a glide reflection where the translation is (x,y) (x+5,y), and the line of reflection is y=1. What are the coordinates of A'? (2,-3) (-3,5) (5,1) (2,5) ---> is an arrow. I am not good on glide reflections and I'm very stuck on this one:( ...
*Wednesday, November 25, 2015 by SkatingDJ*

**Analytic Geometry**

the segment joining p1(2,3) and p2 (6,7) is produced beyond p1 to a point P(x,y) so the P(x,y) is five times as far from p2 as from p1. find the coordinates of p(x,y)
*Tuesday, November 24, 2015 by Myca*

**Circles Geometry **

Can someone check if my answers are correct?
*Monday, November 23, 2015 by Sanders*

**Geometry**

In triangle FGH, measure angle F=60 degrees, measure angle H=52 degrees. Which side of triangle FGH is the shortest?
*Monday, November 23, 2015 by Tehya*

**Geometry**

the city council is planning a new city park on a triangular plot of land formed by three intersecting streets the designer placed the triangle on a grid to determine the side lengths and angle measures needed for the purchase and placement of a fence surrounding the park each...
*Monday, November 23, 2015 by Anonymous*

**geometry**

Please respond to the following essay question: Draw and label 2 parallel lines as line m and line n. Add a transversal to your drawing and label it line p. Label all of the angles formed as #1-8. Use your drawing to respond to the following: a) Name four pairs of ...
*Monday, November 23, 2015 by nariah*

**Geometry**

divide a triangle by the three medians. Prove that the area of those 6 sections are congruent.
*Sunday, November 22, 2015 by Anonymous*

**Geometry **

a triangle has an area of 35 square inches, and its base is 3 inches more than it's height. Find the base and height of the trianlge
*Saturday, November 21, 2015 by Christine*

**geometry**

x^2+2xy-15y^2 is this factorable?
*Friday, November 20, 2015 by lindsey*

**Math: Geometry**

The bases of trapezoid $ABCD$ are $\overline{AB}$ and $\overline{CD}$. We are given that $CD = 8$, $AD = BC = 7$, and $BD = 9$. Find the area of the trapezoid. [asy] unitsize(1 cm); pair A, B, C, D; A = (1,2); B = (3,2); C = (4,0); D = (0,0); draw(A--B--C--D--cycle); draw(B--D...
*Thursday, November 19, 2015 by I see you have graph paper. You must be plotting something.*

**geometry**

9x^2-25 ? so lost.
*Thursday, November 19, 2015 by lindsey*

**geometry**

16n^2-9 ?
*Thursday, November 19, 2015 by lindsey*

**geometry**

also how do you factor 16n^2-9 ?
*Thursday, November 19, 2015 by lindsey*

**geometry**

how do you factor x^2-100 ?
*Thursday, November 19, 2015 by lindsey*

**Geometry**

You place a steel ball with diameter 4cm in a water-filled cylinder that is 5cm in diameter and 10cm high. What volume of water will spill out of the cylinder? I'm lost....
*Thursday, November 19, 2015 by Maya^.^*

**Geometry **

A dilation has center (0, 0 ,0). Find the image of the point (-1, -2, 0) for the scale factor of 3. Please help!
*Thursday, November 19, 2015 by Belle*

**Geometry **

A triangle is reflected across line L and then across line m. If the lines intersect, what kind of isometry is this composition of reflections? translation rotation reflection glide reflection*****? After a glide reflection, the point x is mapped to the point x' (3, -2). ...
*Wednesday, November 18, 2015 by SkatingDJ*

**Geometry 1 question**

A triangle is reflected across line L and then across line m. If the lines intersect, what kind of isometry is this composition of reflections? translation rotation reflection glide reflection Is it glide reflection? The question is a little confusing. Thanks
*Wednesday, November 18, 2015 by SkatingDJ*

**Geometry **

The measure of each interior angle in a regular hexagon is?
*Wednesday, November 18, 2015 by Sara*

**geometry**

given: -n+6=8n+6n prove:n=0
*Wednesday, November 18, 2015 by sarah*

**Analytic Geometry**

A line Q has an equation of x+5x+5=0. Find the equation of the line that is "perpendicular" to Q and passes through (3,1). Find the question of the line that is "parallel" to Q and passes to through (3,1). Find the equation of the line that passes through (...
*Wednesday, November 18, 2015 by Kimbaza*

**Analytic Geometry**

A line Q has an equation of x+5y+5=0. Find the equation of the line that is "perpendicular" to Q an passes through (3,1). Find the equation of the line that is "parallel" to Q and passes to through (3,1). Find the equation of the line that passes through (3...
*Wednesday, November 18, 2015 by Kimbaza*

**geometry**

Raul is laying a cement concrete walkway in his backyard. He decides to put a turn of 30° from the horizontal in the walkway to go around a tree and flowerbed. Once he gets past the tree, he wants to continue the walkway in the same direction as before. At what angle ...
*Tuesday, November 17, 2015 by Danielle*

**Geometry 1 question**

Find the image of O(-2, -1) after two reflections, first across the line y = -5 and then across the line x = 1. (-2, -1) (-1, -6) (4, -9) (1, -5) I am very confused, no idea what this means. Please help? Thanks
*Tuesday, November 17, 2015 by SkatingDJ*

**Geometry**

The coordinates of a triangle are X(0,0, Y(2h,2h), and Z(4h,0). Is the triangle a right triangle? Show work to support your answer. I don't really know how to solve this, or show m work.
*Tuesday, November 17, 2015 by Sally*

**Geometry**

You find an old scale drawing of your home,but the scale has faded and you cannot read it. How can you find the scale of the drawing?
*Tuesday, November 17, 2015 by RONDA*

**Geometry**

The area of a rectangle is 2160 square units and the diagonal is 78 units long. What are the length and width of the rectangle? I know the width and length are 30 and 72, but I am having trouble with the actual work.
*Tuesday, November 17, 2015 by Lib*

**Geometry**

p>p'(-2,-6) for the glide reflection where the translation is (x,y)>(x,y-1) and the line of reflection is x=1. What are the coordinates of P? The answer is (4,-5) I'm looking for the steps of how to get to the answer. 69-year-old grandpa trying to help grandson
*Monday, November 16, 2015 by Steve*

**Geometry**

If line segment WP is an angle bisector, m<HWA=(7s+16), m<PWA=15 find s, and m<HWA.
*Monday, November 16, 2015 by Anonymous*

**Geometry**

In the figure, square WXYZ has a diagonal of 12 units. Point A is a midpoint of segment WX, segment AB is perpendicular to segment AC and AB = AC. What is the length of segment BC?
*Sunday, November 15, 2015 by Aditi*

**geometry**

Parallel lines in space are coplanar. A. always B. sometimes C. never
*Thursday, November 12, 2015 by Kate*

**Geometry**

Find the slope of the line (-2,3) and (5, -2) a. 1/7 b. -1/7 c. -7 d. 7
*Thursday, November 12, 2015 by null.&.void*

**GEOMETRY**

A conical tent made of canvas has a base that is 20 feet across and a slant height of 14 feet. To the nearest whole unit, what is the area of the canvas, including the floor? Use 3.14 for pi. A. 754 ft^2 B. 1,193 ft^2 C. 2,135 ft^2 D. 534 ft^2 This question stumps me...please ...
*Thursday, November 12, 2015 by null.&.void*

**geometry**

A conical tent made of canvas has a base that is 20 feet across and a slant height of 14 feet. To the nearest whole unit, what is the area of the canvas, including the floor? Use 3.14 for pi. A. 754 ft^2 B. 1,193 ft^2 C. 2,135 ft^2 D. 534 ft^2 This question stumps me...please ...
*Thursday, November 12, 2015 by null.&.void*

**Geometry**

Find the area of a square with side length 13 ft A. 676 ft^2 B. 169 ft^2 C. 338 ft^2 D. 343 ft^2 There is no picture with this...
*Thursday, November 12, 2015 by null.&.void*

**Geometry**

A particular model of walkie-talkie can broadcast in a circular area. The radius of the broadcast area is 10,000 feet. Find the area of this circle to the nearest square foot. Use 3.14 for pi. A. 314,000,000 ft^2 B. 100,000,000 ft^2 C. 1,256,000,000 ft^2 D. 62,800 ft^2
*Thursday, November 12, 2015 by me-llamo-es-liza*

**Geometry**

Which statement is a good definition? You are a teenager if and only if you are 15 years old. You are not a teenager if and only if you are less than 13 years old. You are 13 to 19 years old if and only if you are a teenager. You are 15 years old if and only if you you are not...
*Thursday, November 12, 2015 by Nicole*

**Geometry**

Find the midpoint of the segment with the given endpoints. D(1, 2) and E(–3, 6) A. (–7, 10) B. (–2, 2) C. (–1, 4) D. (4, 64) Is it C? (step by step explanation please :3)
*Thursday, November 12, 2015 by ((((freehugs))))*

**Geometry**

You are designing a new container for powdered laundry detergent. You are considering a cylindrical container with a diameter of 14 inches and a height of 18 inches. Find the volume of this container to the nearest cubic unit. Use a calculator. A. 1,100 in^3 B. 882 in^3 C. 11,...
*Thursday, November 12, 2015 by ((((freehugs)))))*

**Geometry**

Which statement is no true about adjacent angles? They have no interior points in common. They share a common side. They are coplanar. They have the same measure. My answer: D
*Thursday, November 12, 2015 by Nicole*

**Geometry**

Triangle KLM has vertices K (3,2) L(-1,5) and M(-3,-7) write the angles in order from the least to greatest measure show all work
*Wednesday, November 11, 2015 by M*

**Geometry**

Triangle LM has vertices K(3,2) L(-1,5) and M(-3,-7) Write the angles in order from the least to greatest measure
*Wednesday, November 11, 2015 by M*

**Geometry**

The measure of the vertex angle of an isosceles triangle is 98 degrees What is the measure of a base angle
*Tuesday, November 10, 2015 by Anonymous*

**Geometry**

what are the interior angle measures of a right isosceles triangle
*Tuesday, November 10, 2015 by Anonymous*

**Geometry **

Given: BA is congruent to DC; BE is perpendicular to AC; DF is perpendicular to AC. Prove: BE is congruent to DF. The image is of rhombus ABCD. There is a segment connecting A and C with points E and F each about a third of the way into the segment.
*Tuesday, November 10, 2015 by Marissa*