Friday

February 24, 2017
**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). The ...

*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 (3,1) that makes an "...

*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 (3,1) that makes an "...

*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 should ...

*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*

**geometry**

In the diagram, JG = 5 cm and GE = 10 cm. Based on this information, can G be a centroid of triangle LMN?

*Tuesday, November 10, 2015 by jewel*

**geometry**

given angle amd and zdm are right angles given: segment AM and ZD are congruent prove: angle a is congruent to z (CPCTC) I know that reflexive prop is needed and all right angles are congruent, also sas Please help with 3 statements_

*Monday, November 9, 2015 by sweet pea*

**Geometry**

R, S, and T are the vertices of one triangle. E, F, and D are the vertices of another triangle. m<R = 60°, m<S = 80°, m<F = 60°, m<D = 40°,? RS = 4, and EF = 4. Are the two angles congruent? If yes, explain how and identify which segment is congruent to RT. My ...

*Monday, November 9, 2015 by Steve*

**Geometry**

The polar coordinates of the two opposite bordering points of a diagonal of a square are (6,3) & (-2,-3). What are the coordinates of the other two bordering points?

*Sunday, November 8, 2015 by Muhsina*

**geometry**

A room is 14 x 21 ft.It needs to be painted.The ceiling is eight above the floor.There are 2 windows in the room, each one is 3 ft by 4 ft. The door is 2.5 ft by 6.5 ft. 1)Find the area of the walls and ceiling to be painted. 2)one gallon of paint covers 75.86 square feet, how...

*Saturday, November 7, 2015 by Leanne*

**Geometry**

What is point P in triangle ABC called? A.incenter B.median C.circumcenter D.centroid My answer: D

*Friday, November 6, 2015 by Nicole*

**Geometry**

I don't understand this can someone please point me in the right direction. The Pentagon pictured below is regular. What is the image of line CA after a rotation of 216 degrees? The pentagon has 5 lines of symmetry and a radius of 72 degrees.

*Thursday, November 5, 2015 by Ms. Sue PLEASE help me!!!*

**Geometry**

a>p=a'(-3,-3) for the 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'?

*Thursday, November 5, 2015 by Steve*

**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 ofP?

*Thursday, November 5, 2015 by Steve*

**Geometry**

what type of symmetry does the ying yang symbol have? I don't think it has symmetry

*Thursday, November 5, 2015 by Steve*

**Geometry**

Which letter has rotational symmetry? I J K L IMy answer is I

*Thursday, November 5, 2015 by Steve*

**Geometry**

The vertices of a triangle are P(-4,1), Q(-2,-8), R(8,-1). What are the vertices of the image reflected across the y-axis? my answer is P'(4,1),Q'(2,-8),R'(-8,-1)

*Thursday, November 5, 2015 by Steve*

**Geometry**

Which rule describes the transformation that is a reflection across the x-axis? a- (x,y)>(x,-y) b- >(-x,y) c_ >(-x,-y) d- >(y,x) my answer is a

*Thursday, November 5, 2015 by Steve*

**Geometry**

prove that if the lengths of two sides of a and b, triangle are a and b respectively, then the lengths of the corresponding altitudes to those sides are in the ratio b/a.

*Wednesday, November 4, 2015 by Ethan*

**geometry**

A fire hydrant that is 1.5 feet high casts a shadow that is 2.5 feet long. At the same time of day, a lamppost casts a shadow 15 feet long. What is the height of the lamppost?

*Tuesday, November 3, 2015 by jay*

**Geometry**

Question:Ray BD bisects <ABC. The m<ABD=5× and m<DBC=3×+10. Find × and m<ABC

*Tuesday, November 3, 2015 by tiara*

**math**

GEOMETRY The formula for the perimeter of a rectangle is P = 2 + 2w, where is the length and w is the width. A rectangle has a perimeter of 24 inches. Find its dimensions if its length is 3 inches greater than its width.

*Tuesday, November 3, 2015 by Sally*

**Geometry**

How many lines of symmetry on the four operating symbols? Addition sign : 4 Subtraction sign : 2 Multiplication sign : 4 Division sign : 2

*Monday, November 2, 2015 by Geo*

**Geometry**

If the point P(-3,2) is translated under the vector (1,-5) what quadrant will P' be located? Quadrant 3?

*Monday, November 2, 2015 by Geo*

**Geometry**

I'm not sure how to complete a two-column proof: Given <2=<4,m<2=100 Prove:m<3=70 All i have so far: <2=<4, m<2=100 : Given M<2 =m <4 :definition of congruent angles M<4=110 : ? M<3+m<4= 180 : ? M<3=70 : ? This is so stressful, please hep!

*Monday, November 2, 2015 by Amanda*

**Geometry**

Write two conditional statements that have false converse statements

*Friday, October 30, 2015 by Mike*

**Geometry**

when two parallel lines are cut by a transversal and one alternate interior angle is x squared and the other is 3x. How do u slove for x?

*Thursday, October 29, 2015 by Laura*

**Math**

A parking lot is being redesigned. The lot is 40 yds x 50yds. The owner wants to repaint the parking lot to allow for 51 spaces. Spaces must be rectangular and 9 feet wide by 18 feet long. The painted stripes separating the spaces must be 4 inches wide. The driving aisles must...

*Thursday, October 29, 2015 by Millie*

**Geometry**

Find the distance between the lines with the equations y = 3/2x+4 and −3x+2y = −1. Round your answer to the nearest tenth.

*Thursday, October 29, 2015 by Sam*

**geometry**

P P'(–4, –7) for the glide reflection where the translation is (x, y) (x,y-4) and the line of reflection is x= -1. Find the coordinates of P A.(-4,-11) B.(2,-7) C.(2,-3) D.(-4,-3)

*Thursday, October 29, 2015 by jenny*

**Geometry**

When you are doing a glide reflection how does the line of reflection being y=1 affect the final answer? Can someone help me with that...start with (-3,-3) and the translation is (x+5,y) I think the the x will be (2, but unsure what happens to the y) help somebody..

*Thursday, October 29, 2015 by Cassie*

**geometry**

if two parallel lines are cut by a transversal and two interior angles are 3x and x sqaured. how do you solve for x?

*Thursday, October 29, 2015 by Laura*

**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' A.(2,-3) B.(-3,5) C.(5,1) D.(2,5)

*Thursday, October 29, 2015 by jenny*

**geometry**

P P'(–4, –7) for the glide reflection where the translation is (x, y) (x,y-4) and the line of reflection is x= -1. Find the coordinates of P A.(-4,-11) B.(2,-7) C.(2,-3) D.(-4,-3)

*Thursday, October 29, 2015 by jenny*

**Geometry**

Given: Line segment AD bisects angle BAC. Angle 1 is congruent to angle 3. Prove: Angle 2 is congruent to angle 3 Write a two-column proof

*Thursday, October 29, 2015 by Jsjdi*

**Geometry**

given ABCD IS A rectangle . IF BC =5ft and AB =8ft find the missing sides

*Wednesday, October 28, 2015 by Troy*

**geometry**

The vertices of a triangle are P(–4, 1), Q(–2, –8), and R(8, –1). Name the vertices of the image reflected across the y-axis. 1.P'(–4, –1), Q'(–2, 8), R' (8, 1) 2.P'(4, –1), Q'(2, 8), R'(–8, 1) 3.P'(4, 1), Q'(2, 8), R'(–8, –1) 4.P'(–4, 1), Q'(–2, –8...

*Wednesday, October 28, 2015 by jenny*

**geometry**

Triangle ABC is a right triangle. If side AC=5 and side BC=6, What is the measure of side AB which is the hypotenus

*Wednesday, October 28, 2015 by Anonymous*

**Geometry**

How do you find an endpoint with a midpoint and one endpoint?

*Tuesday, October 27, 2015 by Jess*

**Geometry**

m<1=2x°,m<2=(x-5)°,and m<3=100°.use an equation to find the measures of<1 and <2.

*Monday, October 26, 2015 by Marybeth*

**Geometry**

m<1=2x°,m<2=(x-5)°,and m<3=100°.use an equation to find the measures of<1 and <2.

*Monday, October 26, 2015 by Marybeth*

**Geometry Rectangle**

Gery wants to fence a rectangular field whose area is 1200 sq.m. He has only 100 meters of fencing so he decided to fence only the three side of the rectangle letting the wall be the fourth side. How wide the rectangle should be?

*Monday, October 26, 2015 by Zijay*

**Geometry:Rectangles**

Gery wants to fence a rectangular field whose area is 1200 sq.m. He has only 100 meters of fencing so he decided to fence only the three side of the rectangle letting the wall be the fourth side. How wide the rectangle should be?

*Monday, October 26, 2015 by Zijay*

**Math Geometry**

Gery wants to fence a rectangular field whose area is 1200 sq.m. He has only 100 meters of fencing so he decided to fence only the three side of the rectangle letting the wall be the fourth side. How wide the rectangle should be?

*Monday, October 26, 2015 by Zijay*

**geometry**

How can I turn 192cubic cm into a triangular prism?

*Sunday, October 25, 2015 by david*

**geometry**

given angle a is parallel to angle b and the measure of angle 7 is 94 find the measure of angle 10 and angle 9 someone please help me on this ! 😫

*Saturday, October 24, 2015 by jennyyyy*

**Geometry**

The degree measure of the vertex angle is (3x-8). The degree measure for each base angle is (6x-41). What is the value of vertex angle?

*Wednesday, October 21, 2015 by Kay*

**Geometry**

A right triangle has exterior angles at each of its acute angles with measures in the ratio 13:14. Find the measure of the smallest interior angle of the triangle. 40 (degrees) 50 (degrees) 130 (degrees) 140 (degrees) Please help? Thanks

*Wednesday, October 21, 2015 by SkatingDJ*

**Geometry**

Plane R contains points ,M,and Y. Plane Z intersects with plane R at SM, AY intersects plane R at point Y. . Point A is not in plane Z or plane R. MY forms a right angle with MS. A. What is measure of < SMY? B. Name three points that are noncollinear. C. Can you name three ...

*Tuesday, October 20, 2015 by Sky*

**Geometry**

2 sides of an equilateral triangle measure (y+10) units and (y^2-2) units. If the perimeter of the triangle is 21 units, what is the value of y? I was trying (y+(y+10) + (y^2-2)=21 got to y^2+2y+-13 and wasn't sure how to proceed. Or should I take a side (y^2-2)*3=21? I ended ...

*Monday, October 19, 2015 by Ann*

**Geometry**

if yvonne wanted to make 3 dresses that use 4 7/8 yd of fabric easy explain how she could use estimation to make sure she has enough fabric for all of them.

*Monday, October 19, 2015 by Anonymous*

**Geometry**

If jk is congruent to lm, then lm is congruent to jk

*Monday, October 19, 2015 by D'Andre*

**Geometry i need help urgently plz plz plz**

The lenght of a line segement is of 10units and the co-ordinate of one end point are (2,-3) if the abscissa of the other end is 10 find the ordinate of the other end?? Working plz plz

*Sunday, October 18, 2015 by Collins*

**Geometry**

Complete the two column proof. Given: angle 2 and angle 5 are supplementary Prove: l is parallel to m Statements: 1. BLANK 2. angle 3 is congruent to angle 2 3. angle 3 and angle 5 are supplementary 4. BLANK Reasons: 1.________ 2.________ 3.________ 4.________

*Thursday, October 15, 2015 by Blair Needs Ms. Sue*

**Pre calc- confused**

Geometry/Maximum area: A rancher wants to enlarge an existing rectangular corral such that the total area of the new corral is 1.5 times that of the original corral. The current corral's dimensions are 250 feet by 160 feet. The rancher wants to increase each dimension by the ...

*Thursday, October 15, 2015 by Sophia*

**Geometry plz help its not to hard**

18. Two lines intersect at a point. the vertical angles formed are supplementary. What is the measure of each of the angles? Explain.

*Wednesday, October 14, 2015 by Jimmy*

**Math geometry**

Given AB intersects BD <EFG and <CBD are complementary prove <EFG complements <ABC

*Tuesday, October 13, 2015 by Samantha*

**Geometry 1 question**

Use the truth table to test the validity of the following argument. If you play varsity sports, then you are dismissed from school an hour early. You are dismissed from school an hour early. Therefore, you are a varsity athlete. valid invalid Sorry about the repost:( But I ...

*Tuesday, October 13, 2015 by SkatingDJ*

**Geometry**

Name the Property of Equality that justifies this statement: x = x Reflexive Property Symmetric Property Transitive Property Substitution Property Use the truth table to test the validity of the following argument. If you play varsity sports, then you are dismissed from school...

*Tuesday, October 13, 2015 by SkatingDJ*

**geometry**

Which statement best describes deductive reasoning?

*Tuesday, October 13, 2015 by jarrod*

**Geometry**

The area of a triangle is 30cm^2. What is the base of the triangle if the height is 6 cm?

*Tuesday, October 13, 2015 by Terry*

**Geometry**

What is a counterexample of the following conjecture? Conjecture: Any number that is divisible by 3 is also divisible by 6 36 27 23 18 Is it C, 23? A little confused:p Please help? Thanks

*Monday, October 12, 2015 by SkatingDJ*

**Maths**

Coordinate Geometry A=(7,4) B=(2,0) Gradient of AB = 4/5 Equation of AB in ax+by=0 for is 4x-5y-8=0. The length of AB in surd form is root41. The point C has coordinates (2,t), where t>0 and AC=AB. a) find the value of t. b) without plotting point, find the area of triangle...

*Monday, October 12, 2015 by Anonymous*

**modern geometry**

Construct the locus of all points (in one half plane) from which the given segment (that you draw) is seen by: a. 120 degrees b. 105 degree I've tried following steps in my textbook but I'm struggling.

*Monday, October 12, 2015 by haley*

**geometry**

There are two noncongruent triangles that have a 9-inch side, a 10-inch side, and that enclose 36 square inches of area. Find the length of the third side in each of these triangles.

*Monday, October 12, 2015 by Nico*

**Geometry**

<DOE contains points D(2,3) O(0,0) and E(5,1). Which of the following angles are both adjacent and supplementary to <DOE? <DOF, with F (10, 2) <DOF, with F (-2, -3) <DOF, with F (-5, -1) <EOF, with F (-5, -1) <EOF, with F (-2, -3) <EOF, with F (10, 2) ...

*Sunday, October 11, 2015 by SkatingDJ*

**geometry**

Suppose BD−→− bisects ∠ABC. If m∠ABD=12x+24 and m∠DBC=20x+16, what is m∠ABC?

*Friday, October 9, 2015 by jackie*

**geometry**

RT=5x=7 and RS=15x-1, what is the value of x?

*Thursday, October 8, 2015 by monica*

**Geometry help check ??**

Given: <2 = <4, m<2 = 110 Proof: m<3 = 70 <2 = <4, m<2 = 110 Given m<2 = m<4 Definition of congruent angles m<4 = 110 b._______ <3 and <4 are a linear pair Definition of a linear pair(shown in diagram) <3 and <4 are supplementary ...

*Thursday, October 8, 2015 by Sammy*