Thursday
January 19, 2017

# Homework Help: Math: Geometry

## Recent Homework Questions About Geometry

Math: Geometry
I am having trouble with a problem from my online math class. I tried using the basic angle properties of circles, but didn't get anywhere: Let ABCD be a cyclic quadrilateral. Let P be the intersection of AD and BC, and let Q be the intersection of AB and CD. Prove that ...
Monday, January 18, 2016 by I see you have graph paper. You must be plotting something.

geometry
how can i convert radians to degrees?
Saturday, January 16, 2016 by Alex

geometry
ma is ordering an ice cream dessert. She must order a size, a flavor of ice cream, and a topping. There are sizes, flavor, and toppings to choose from. How many different ice cream desserts could she order?
Friday, January 15, 2016 by kid

Geometry
A. Find the values of a and b that would make the quadrilateral a parallelogram. B. Make sure to show work Top 6b-3 Left 2a+6 Right 3a-10 Bottom 5a+1 Thank you
Friday, January 15, 2016 by Genevieve

What is the measure of a base angle of an isosceles triangle if its vertex angle measures 30? 30 150 15 75 <My choice Which lengths could be the side lengths of a triangle? 18cm, 6cm, 13cm <My choice 13cm, 22cm, 7cm 6cm, 18cm, 12cm 22cm, 13cm, 8cm
Friday, January 15, 2016 by Nicole

Geometry
There is a parallelogram labeled (from left to right on the top) A - B (from left to right on the bottom) D - E There is a line that connects A to the opposite side E, and a line that connects B to the opposite side D. The intersection of the lines is labeled C (in the middle...
Friday, January 15, 2016 by Derrik

Geometry
mary is 5ft 9 inches tall. she casts a 2 ft shadow. the tree casts a 7 foot shadow. how tall is the tree?
Friday, January 15, 2016 by Kiara

Geometry
What is the slope of the line that passes through (2,1) and (7,-2)? 5/3 -1/3 -3/5 1/5 My answer: -3/5
Friday, January 15, 2016 by Nicole

geometry
If a rectangular prism has a surface area of 198 square feet, a height of 6 feet and a lateral surface area of 144 square feet what is the base area of the prism? What is the volume of the prism?
Friday, January 15, 2016 by Dylan

Geometry
The slope of lien b is 1/3. What is the slope of a line perpendicular to line b? -1/3 -3 1/3 3 My answer: -1/3 Note: there is no graph for this
Friday, January 15, 2016 by Nicole

geometry
Jackson is painting the side of his school. He paints a wall that has an area of 41 1/3 square yards. He uses 2 1/3 gallons of orang paint. What is Jackson's rate of paint coverage in square yards per gallon? The label on the paint container says that the average coverage ...
Thursday, January 14, 2016 by asford

Geometry H
what is the distance between points (-3.2) and (5,-6) express to the nearest tenth?
Thursday, January 14, 2016 by Anonymous

geometry h
The midpoint of Line AB has coordinates (-3,2) and the coordinates of point A are (1.4). What are the coordinates of point B?
Thursday, January 14, 2016 by tom

Geometry
If a quadrilateral has exactly one pair of sides parallels it must be a
Thursday, January 14, 2016 by Anonymous

geometry and spatial sense
If a quadrilateral has exactly one pair of sides parallel it must be a
Thursday, January 14, 2016 by Anonymous

Geometry
A line has a slope of 2 and passes through the point (4,0). What are the coordinates of another point that is on the line? (0,2) (2,0) (6,4) (4,6) My answer: (0,2)
Thursday, January 14, 2016 by Nicole

Geometry
The lengths of the sides of a triangle are 17, 8, and n. Which of the following must be true? A. 9 < n < 25 B. n > or equal to 25 C. n < 9 D. 9 < or equal to n < or equal to 25 At first I thought it was B, then I thought it was A or D... is it A? Please help...
Thursday, January 14, 2016 by SkatingDJ

Geometry
A line segment has the endpoints (2,-5) and (-1,-1). What is the slope? -1/6 -6/1 -3/4 -4/3 My answer: -3/4
Thursday, January 14, 2016 by Nicole

Geometry
a ramp is 15 meters long and rises to a height of 4 meters. What is the angle form by the ramp and the ground?
Thursday, January 14, 2016 by Anonymous

Geometry
There is a geometry diagram I am looking at and I need to attach the image to be able to have it explained. All the numbers are all over the place and I need to figure this out.
Thursday, January 14, 2016 by This is confusing

Geometry
I need the statements and reasons for this: ABCD is a parallelogram and we must prove AB=CD and BC=DA. If a quadrilateral is a parallelogram, then its opposite sides are congruent.
Wednesday, January 13, 2016 by Jonathan Reynoso

Geometry
A ship is 750 meters from a light house which is 50 meters tall. What is the angle of depression from the top of the lighthouse to the ship?
Wednesday, January 13, 2016 by Olivia

Geometry
What is the measure of an exterior angle of a regular pentagon? 72 36 120 108 My answer: 120
Wednesday, January 13, 2016 by Nicole

Geometry
Which angles describe <1 and <8? vertical angles alternate exterior angles alternate interior angles corresponding angles My answer: vertical angles
Wednesday, January 13, 2016 by Nicole

Geometry
Given triangle GHI with G(4, -3), H(-4, 2), and I(2, 4), find the perpendicular bisector of line HI in standard form. Please help? Thanks
Wednesday, January 13, 2016 by SkatingDJ

Geometry 1 question
Find the distance between the points C(0, 0) and D(8, 3). 8.3 11 square root of 73 square root of 55 Really don't know. Please help! Thanks
Tuesday, January 12, 2016 by SkatingDJ

Geometry
Determine whether each statement is always sometimes or never true. If the answer is sometimes or never draw a counterexample. Two congruent triangels are similar : Two squares are similar : Two isosceles triangles are similar : Two obtuse triangles are similar : Two ...
Monday, January 11, 2016 by Anonymous

Geometry
One of corner risers is shown at the right. Find the length of the shortest side of this riser. A right triangle with legs x and x+2. With a hypotenuse of x+4.
Monday, January 11, 2016 by HP

Geometry
A student wants to determine the height of a tree. She knows that her six foot tall Teacher cast a 10 foot long shadow at the same time that the tree has a 45 foot long shadow. How tall is the tree?
Monday, January 11, 2016 by Samantha

geometry
how can you find the geometric mean?
Saturday, January 9, 2016 by bob

Geometry
Triangle TUV is mapped onto T'U'V' by a dilation with a scale factor of 1/2 and center (2,-3) followed by a reflection over the x axis what are the coordiantes of T'U'V"
Saturday, January 9, 2016 by Anonymous

Geometry
Point B(-3,7) is reflected across the line y=-x and then dilated with a scale factor of 3 and the center of dilation at the origin. What are the coordinates of point B" under the composition of transformations
Saturday, January 9, 2016 by Anonymous

Geometry
Tyron developed a negative that is 1 inch by 1 1/4 inches into a photograph using a scale factor of 8 what are the dimensions of the photograph A. 6 inch by 8 in B. 6 2/5 in by 8 in C. 8 in by 10 in D. Not here
Saturday, January 9, 2016 by Anonymous

geometry
if a circle is divided into 12 parts then what is the measure of each part in terms of radius
Saturday, January 9, 2016 by rahul

Geometry
Prove that a line that divides two sides of a triangle proportionally is parallel to the third side. Be sure to create a name the appropriate geometric figures. Paul walks 25 feet away from his house and places a mirror on the ground. He backs 5 feet away from the mirror so ...
Friday, January 8, 2016 by Help!!

apex geometry
Hannah constructed two similar circles as seen in the image below. If the arc length of the larger circle is , which of the following would be true? A. The arc length of the smaller circle is proportional to the radius of the smaller circle. B. The arc length of the larger ...
Friday, January 8, 2016 by zakiya

Geometry
In parallelograms TUVW, part of a ceramic tile pattern, angle TUV = (8x + 1) and angle UVW = (12x + 19) find angle TUV
Thursday, January 7, 2016 by Emma

Geometry
Assume the following is a true statement. If it is raining, I will carry an umbrella. Which form of the original statement must also be true? a- converse b-- inverse c- contrapositive d- biconditional My answer is c contrapositive
Thursday, January 7, 2016 by Steve

Geometry
Three interior angles of a convex heptagon measure 125 degrees, and two of the interior angles measure 143 degrees. Which are possible measures for the other two interior angles of the heptagon? 1: 48 and 48 degrees 2: 39 and 100 degrees 3: 100 and 116 degrees 4: 89 and 150 ...
Thursday, January 7, 2016 by Emma

Geometry
I really need help with this question :( A pentagon has two exterior angles that measure (3x), two exterior angles that measure (2x + 22) and an exterior angle that measure (x + 41). If all of these angles have different vertices, what are the measures of the exterior angles ...
Thursday, January 7, 2016 by Michael

math geometry
Your friend constructs 𝑋𝑌 so that it is perpendicular to and contains the midpoint of 𝐴𝐵. He claims that 𝐴𝐵 is the perpendicular bisector of 𝑋𝑌. What is his error?
Thursday, January 7, 2016 by tyty lil

Geometry
Find r if T.A=12Pi and L.A =8Pi
Wednesday, January 6, 2016 by Diana

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? A. 63 B. 64 C. 65 D. 66
Wednesday, January 6, 2016 by Anonymous

Geometry
A photographer enlarged a picture. If the width of the image is 5 inches and the width of the pre-image was x, what is the scale factor for the dilation in terms of x?
Tuesday, January 5, 2016 by Jonathan

Geometry
In triangle ABC, AD bisects angle A, BD=4 and CD=5. The perimeter of triangle ABC is 29. Find the lengths of AB and AC.
Tuesday, January 5, 2016 by Anonymous

geometry
1/2 of 1/3 equals give it to me in the simplest form
Monday, January 4, 2016 by Joseph Michael Calais

Geometry (again)
How can one prove a right isosceles triangle? Or a right trapezoid?
Monday, January 4, 2016 by Meema

Geometry
"Given quadrilateral ABCD with A(0,0) B(4,2) C(3,3) and D(1,2), prove that ABCD is a non-isosceles trapezoid" I don't understand how to put this as a proof, since I have to include formulas and reasons. Wouldn't a non-isosceles trapezoid be a normal trapezoid...
Monday, January 4, 2016 by Meema

Geometry
Is there a distance formula if a parallelogram's opposite sides are parrallel?
Sunday, January 3, 2016 by Jon figueroa

geometry
we have angle ABC = angle ACB = angle DEC=angle CDE, BC = 8, and DB = 2. Find AB.
Saturday, January 2, 2016 by sam

Geometry
M is the midpoint of JK. find the coordinates of K. 1. J (-8,4) M (-1,1) 2. J (9,-5) M (5, -2) 3. J (0,11) M (-3,2) Please help me with this! I need help on this step by step. Thank you!
Friday, January 1, 2016 by Amy

Geometry
1) in triangle ABC, AD is the angle bisector of < A. If BD = 5, CD = 6 and AB = 8, find AC.
Thursday, December 31, 2015 by Daniela

geometry
Three consecutive vertices of a parallelogram ABCD are A (3, 0) ; B (5, 2) ,C (- 2, 6). Find the fourth vertex D.
Thursday, December 31, 2015 by Etsub

geometry
a parabola whose axis is parallel to the y axis passess through the points {1,1), (2.2) and (-1,5). Find the equation of the parabola
Wednesday, December 30, 2015 by heidi

Geometry
If an TV is 51 inches wide and the height is half the size of the width, what is its screen size to the nearest inch?
Tuesday, December 29, 2015 by Boberto

Math geometry
An architect is designing an A-frame cottage for a resort. A cross section of the cottage is an isosceles triangle. The front wall of the cottage must accommodate a sliding door. Knowing that the architect is allowed a rectangular space of 240 mÂ³ in volume to build...
Monday, December 28, 2015 by Alex

Chemistry
Reaction of gaseous fluorine with compound x yields a single product y, whose mass percent composition is 61.7% F and 38.3%Cl. (a) What is a probable molecular formula for product Y, and what is a probable molecular formula for X? (b) Draw an electron-dot structure for Y, and ...
Saturday, December 26, 2015 by Malan

Geometry
If congruent side FH is a median of△EFG,find the perimeter of △EFG
Sunday, December 20, 2015 by Kim

geometry
In class we are doing overlapping triangles and I have the measures of the angles I just need to know how to solve if there's an angle that isn't congruent between both sides?? if that makes any sense.
Sunday, December 20, 2015 by ariana

geometry
Three interior angles of a quadrilateral have measures of 52∘, 53∘, and 154∘. Find the fourth angle measure.
Thursday, December 17, 2015 by re

Math "Need Help Asap"!
Geometry Unit Practice Sheet Multiple Choice Use the figure to answer questions 1â€“3. 1. Name a pair of complementary angles. (1 point) 1 and 4 1 and 6 3 and 4 4 and 5 2. If m1=37Â°, what is m4? (1 point) 53Â° 43Â° 37Â° ...
Thursday, December 17, 2015 by Markest Lee

geometry
two boards make up two sides of triangular sandbox 8ft and 5 ft what size board makes third side? I say 5 because this makes an isoles triangle
Wednesday, December 16, 2015 by alyssa

Geometry
Given triangle PQR with m<P=(5x+10) degrees m<Q=(3x+18) degrees and m<R=(2x+32) degrees. Classify triangle PQR by side length and angle measure. Explain your answer
Tuesday, December 15, 2015 by Anonymous

Geometry
If a triangle has LM slope of 1/3 MN slope of 7/1 and LN slope of -3/1 is the triangle a right triangle
Tuesday, December 15, 2015 by Anonymous

Geometry
a line passes through the points -3,1 and 6,4 write the equation of the line in slope intecept Still don't get it
Tuesday, December 15, 2015 by Anonymous

Geometry
Line HJ bisects angle IHL, Line HK bisects angleJHL, and m<IHK is 51 degrees. Find m<IHL
Tuesday, December 15, 2015 by Anonymous

Geometry
a line passes through the points -3,1 and 6,5 write the equation of the line in slope intecept
Tuesday, December 15, 2015 by Anonymous

Geometry
The contrapositive of the following conditional statement: If a figure has four sides, then it is not a triangle. A.If a figure does not have four sides, then it is a triangle. B.If a figure is a triangle, then it does not have four sides. C.If a figure is not a triangle, then...
Tuesday, December 15, 2015 by Nicole

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 42Â° 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 â€“ 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 ...
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 xÂ²+ yÂ²=8 and yÂ²=16x.How am i going to work it out,please? I tried to work out their gradients which gave me xÂ²+yÂ²=8...
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 childâ€™s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isnâ€™t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music ...
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