Number of results: 87,201

**GEOMETRY PARALLELOGRAM QUESTION PLEASE HELP!**

If ON=8x-8, LM=7x+4, NM=x-5, and OL=3y-6, find the values of x and y for which LMNO must be a parallelogram. {O is on the left, N is on top right, L is on bottom left and M is on bottom right} Thank You :)

*January 8, 2012 by Alexandria*

**math**

A parallelogram has an area of 8x^2 - 2x -45. The height of the parallelogram is 4x + 9. I know the formula for a parallelogram is A=bh. Please work and explain how I get the length of the base of the parallelogram. Thanks

*March 27, 2013 by Jane*

**geometry theorems**

I have six questions which will be on a test two weeks from now, and I do not understand. Help me find out these theorems for the blanks. 1. If one pair of consecutive sides of a parallelogram are congruent, then the parallelogram is a_______? 2. If the diagonals of a ...

*February 13, 2008 by mhaidar9108*

**Geometry**

Write a proof. 1. Prove: If the diagonals of a parallelogram are perpendicular, then the parallelogram is a rhombus. 2. Prove: If the diagonals of a parallelogram are congruent, then parallelogram is a rectangle.

*January 16, 2015 by Jess*

**Geometry**

The Varignon parallelogram of the Varignon parallelogram of quadrilateral ABCD is a 3*4 rectangle. Find AC+BD. I don't understand the Varignon parallelogram, so solving this problem is difficult.

*January 15, 2017 by Lola*

**Geometry**

A shopping center plot of land is in the shape of a parallelogram. Give two other facts about the plot or roads through it. I do not understand can you please explain? I know that A quadrilateral is a parallelogram if and only if it has two pairs of parallel sides. A ...

*April 9, 2010 by purple*

**Geometry Please Help!**

Given triangle ABC with vertices A(-6, -2), B(2,8), and C(6, -2). Line AB has midpoint D, line BC has midpoint E, and line AC has midpoint F. Which of the following statements is true? 1. ADEF is only a parallelogram 2. ADEF is a rhombus 3. ADEF is a rectable but not a ...

*February 28, 2012 by Anthony*

**Geometry PARALLELOGRAM question?**

If ON=8x-8, LM=7x+4, NM=x-5, and OL=3y-6, find the values of x and y for which LMNO must be a parallelogram. {O is on the left, N is on top right, L is on bottom left and M is on bottom right} Thank You :)

*January 8, 2012 by Alexandria*

**math geometry**

if the diagonals of a parallelogram are equal then the parallelogram is also what type of figure?

*May 20, 2009 by gabriel*

**Geometry**

a parallelogram has the vertices (0,3), (3,0), (o,-3), and (-3,0). determine what type of parallelogram and find the perimeter and area

*December 7, 2011 by stephen*

**geometry**

7. Verify that parallelogram ABCD with vertices A(–5, –1), B(–9, 6), C(–1, 5), and D(3, –2) is a rhombus by showing that it is a parallelogram with perpendicular diagonals.

*December 8, 2011 by jasmine*

**geometry**

Verify that parallelogram ABCD with vertices A(–5, –1), B(–9, 6), C(–1, 5), and D(3, –2) is a rhombus by showing that it is a parallelogram with perpendicular diagonals

*December 12, 2011 by cindy*

**geometry**

question; in the accompanying diagram of parallelogram abcd,m<a=(2x-10) and m<b=(5x+10)

*January 16, 2012 by crissy*

**geometry**

In parallelogram ABCD, BC = 8, DC = 12, and measure of angle D is 50 degrees. Find the area of the parallelogram to the nearest tenth.

*January 23, 2012 by josh*

**geometry**

The measures of two consecutive angles of a parallelogram are in the ratio 5:4. What is the measure of an acute angle of the parallelogram?

*February 3, 2013 by Andy*

**Geometry**

If the length of the base of a parallelogram is decreased by 30％and the height is increased by 20％ what Is the percent decrease in the area of the parallelogram

*November 17, 2016 by Winni*

**Geometry**

If there is a parallelogram which has four sides xy and x+25 ,4x+35 abc is parallelogram find x,y,z

*August 15, 2011 by Anonymous*

**geometry**

The measures of two consecutive angles of a parallelogram are in the Ratio 3:7. Find the measure of an acute angle of the parallelogram

*March 23, 2013 by Kay*

**Geometry**

Write a two column proof: Given: ABCD is a parallelogram BQ is conguent to DS, PA is congruent to RC Prove PQRS is a parallelogram

*April 9, 2015 by Michael*

**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.

*January 13, 2016 by Jonathan Reynoso*

**geometry**

in a parallelogram abcd=28,bc=45,and ac=53. is the parallelogram a rectangle?

*March 23, 2011 by rocio*

**geometry**

a parallelogram has the vertices (-1,2), (4,4), (2,-1), and (-3,-3). determine what type of parallelogram. find the perimeter and area. i found the parallelogram part and its a rhombus but i cant find the perimeter and area

*December 8, 2011 by damon*

**geometry**

1. the opposite angles of a parallelogram measure(x=30) and (2x-50).Find the measure of each angle of the parallelogram. 2. the ratio of two consecutive angles of a parallelogram is 2:3. find the measurement of the angles of a parallelogram. 3.the difference between the ...

*November 7, 2010 by marycon*

**Geometry**

justify the last two steps of the proof. Given: ABCD is a parallelogram. Prove: triangleABC = triangleCDA 1. ABDC is a parallelogram 1. given 2. AB = DC and BC =DC 2. opposite sides of a parallelogram are congruent 3. AC = CA 3. ? 4. triangleABC = triangleCDA 4.? last two are ...

*December 22, 2016 by Regina*

**Geometry/Algebra**

Two opposite angles of a parallelogram are (5x-2)degree and (40-x)degree. Find the measure of each angle of a parallelogram.

*June 13, 2012 by Anonymous*

**Math**

My daughter is in 3rd grade and starting some basic geometry. Her homework today shows a parallelogram with the 4 corners labeled LMNO. Her first question is give two names for this parallelogram. Her answers were LM and NO. I told her that those were two of the sides, but ...

*December 16, 2009 by JennyB*

**math , correction**

theres a diagram which in the diagram the points are: (-3,1),(0,3),(2,0), (-1,-2). And the directions say: use the concept of slope to determine if the given figure is a parallelogram or a rectangle: so this is what i did please can someone check it to see if i am correct. M...

*January 15, 2007 by jasmine20*

**geometry**

the adjacent angles of a parallelogram are (3x-120 and (52+2x0.find the angles of the parallelogram?

*May 14, 2011 by shyam arora*

**geometry**

the adjacent angles of a parallelogram are (3x-12) and52+2x). find the angles of the parallelogram?

*May 15, 2011 by shyam arora*

**Geometry**

8)Suppose that a given parallelogram is not a rhombus or a rectangle. Which of the following can you conclude about this parallelogram? A) Its diagonals are perpendicular bisectors of each other. B) It is a square. C) Its angles are not all congruent. D) None of the above I ...

*May 23, 2010 by Don*

**geometry**

The longer diagonal of a parallelogram measures 62 cm and makes an angle of 30 degrees with the base. Find the area of the parallelogram if the diagonals intersect at angle of 70 degrees.

*May 5, 2013 by Katreena*

**geometry**

the measure of an angle of a parallelogram is 12 degrees less than 3 times the measure of an adjacent angle. explain how to find the measures of all the interior angles of the parallelogram.

*March 7, 2011 by sab*

**geometry**

abcd is a parallelogram with sides ab=12 cm,bc=10 cm and diagonal ac=16 cm .find the area of the parallelogram also find the distance between its shortest sides

*February 22, 2013 by Anonymous*

**Geometry**

I really need some help please!!!!! Am I on the right tract? Given: ABCD is a parallelogram; <1 is congruent to <2 To Prove: ABCD is a Rhombus Plan: Show <2 is congruent to < CAB. hence CB is congruent to AB, making ABCD a parallelogram with consecutive sides ...

*June 18, 2007 by DANIELLE*

**math**

Please help! The area of a parallelogram is ( x^2 + x - 12) and the length of its base is ( x +4). what is the height of the parallelogram?

*January 21, 2015 by cuc*

**math**

parallelogram A is similar to Parallelogram B. If the area of parallelogram b is 162 square units, what is the area of parallelogram A?

*December 18, 2012 by bryce*

**geometry**

A parallelogram ABCD has perimeter equal to 124. Let E be the foot of the perpendicular from A to BC, and let F be the foot of the perpendicular from A to CD. If AE=7 and AF=24, what is the area of the parallelogram?

*March 12, 2013 by BB*

**geometry help!!**

A parallelogram ABCD has perimeter equal to 124. Let E be the foot of the perpendicular from A to BC, and let F be the foot of the perpendicular from A to CD. If AE=7 and AF=24, what is the area of the parallelogram?

*March 13, 2013 by Anonymous*

**geometry**

I have a few questions about finding the area. I don't know how to link images on here, so I will just try my best to describe the shapes. First question: What is the area of the figure below? It is a parallelogram connected to a triangle. The spotted line and right angle go ...

*May 4, 2016 by Gina*

**geometry**

The measure of an angle of a parallelogram is 12 degrees less than 3 times the measure of an adjacent angle. find the measure of all the interior angels of the parallelogram.

*February 23, 2011 by Sarah*

**Geometry**

Can some one please check these for me.Thanks Angle DEF is similar to Angle HJK and the scale factor of angle DEF to anle HJK IS 5/2. If EF =15 FIND JK Here is what I came up with Am I correct 5/2 = EF/JK 5/2 =15/JK 5(JK)=30 JK=30/5 JK=6 Given: ABCD is a parallelogram; <1 ...

*June 14, 2007 by DANIELLE*

**Geometry**

Given: ABCD is a parallelogram; <1 is congruent to <2 To Prove: ABCD is a Rhombus Plan: Show <2 is congruent to < CAB. hence CB is congruent to AB, making ABCD a parallelogram with consecutive sides congruent PROOF Statements Reasons 1. ABCD is a parallelogram 1....

*June 13, 2007 by DANIELLE*

**geometry**

if the midpoints of the sides of a parallelogram in succession are joined, the quadrilatral formed is a a parallogram. Prove this theorem in euclidean geometry using analytic techniques

*April 4, 2013 by denise*

**geometry**

Hello, Can some one check my work. I just want to make sure I answered the questions correctly. Thanks, Nikki 1) Every rhombus is a parallelogram. True 2) Every parallelogram is a rectangle. False 3) Every rectangle is a square. False 4) Every square is a rectangle. True 5) ...

*October 19, 2011 by nikki*

**geometry**

The measure of the angles in a parallelogram total 360. Write and solve a system of equations to determine the values of x and y. The parallelogram shows x and 5.5y. The triangle shows x and y. I have the first equation at 180= x + 5.5y. What would be another equation for the ...

*December 16, 2013 by Jack*

**geometry**

The sides of a parallelogram are 25 cms and 15 cms.The height to the 25 cms side is 15 cms.What is the speciality of this parallelogram ?

*November 30, 2011 by ash*

**geometry**

A parallelogram has sides of length 3 and 5 and a diagonal length 10. is the quadrilateral a rectangle? please explain

*March 20, 2011 by lily*

**Math (Geometry)**

ABCD is a parallelogram with side lengths AB=15,BC=10 and ∠ADC=75∘. A point P in the interior of the parallelogram is chosen such that ∠APD+∠CPB=180∘. What is the measure (in degrees) of ∠PAD+∠PCB?

*May 15, 2013 by Dan*

**maths-parallelogram**

there is a man who decided to make a garden either in shape of rectangle or parallelogram in front of his house and fence it. but he chooses the rectangle shape. The parallelogram whose length is 20m and width is 14m. The cost of fencing is Rs.2000 per metre. a) What was the ...

*March 20, 2013 by anoynomous*

**GEOMETRY QUADRILATERALS**

The consecutive sides of a quadrilateral measure (x-17), (24-x), (3x-40) and (x+1). The perimeter is 42 cm . is the quadrilateral a parallelogram ? Hi please will you help me thakn youu

*October 22, 2013 by Barbie Lee*

**Geometry**

quadrilateral A B C D on a graph. Point A is at ( -5, -1), Point B is at ( 6, 1), Point C is at (4, -3), Point D is at (-7, -5). Prove the quadrilateral is a parallelogram by using Theorem 5-7; if the diagonals of a quadrilateral bisect each other, then it is a parallelogram...

*June 16, 2014 by EKH*

**Geometry**

quadrilateral A B C D on a graph. Point A is at ( -5, -1), Point B is at ( 6, 1), Point C is at (4, -3), Point D is at (-7, -5). Prove the quadrilateral is a parallelogram by using Theorem 5-8; if one pair of opposite sides of a quadrilateral is both congruent and parallel, ...

*June 16, 2014 by EKH*

**Geometry**

The height of a parallelogram is 10 feet more than its base. If the area of the parallelogram is 120 square feet, find its base and height.

*April 18, 2012 by Derek*

**Geometry**

The height of a parallelogram is 5 feet more than its base. If the area of the parallelogram is 204 square feet, find its base and height.

*March 6, 2013 by Eddie*

**geometry honors**

Can you prove ABCD is a parallelogram based on the given information? Explain. Given: x = 5, y = 4 Prove: ABCD is a parallelogram. The image consists of a quadrilatera ABCD with their sides AB, BC, CD, DA as 3x + 12, 7y - 8, 6x - 3 and 5y respectively.

*January 8, 2015 by jacky*

**geometry**

Find the values of x and y that make the quadrilateral a parallelogram. Show all your work. a parallelogram is drawn with opposite sides of 4 times y minus 1 and 2 times y plus 7. The second set is 3 times x plus 1 and 4 times x minus 2

*October 17, 2010 by Anonymous*

**Geometry**

In parallelogram ABCD, P is mid-point of AB.CP and BD intersect each other at point O. If area of triangle POB = 40 cm^2, find : (i) OP :OC (ii) areas of triangle BOC and PBC (iii) areas of /\ ABC and parallelogram ABCD ? ?

*September 30, 2011 by Sanjna*

**Math - vector equation of a parallelogram**

The vertices of a parallelogram are the origin and the points A(-1,4), B(3,6), and C(7,2). Write the vector equations of the lines that make up the sides of the parallelogram

*September 4, 2010 by Shaila*

**Math - vector equation of a parallelogram**

The vertices of a parallelogram are the origin and the points A(-1,4), B(3,6), and C(7,2). Write the vector equations of the lines that make up the sides of the parallelogram

*September 5, 2010 by Shaila*

**Math**

A square and a parallelogram have the same area. If a side of the square is 40m and the height of the parallelogram is 20m, find the length of the corresponding base of the parallelogram.

*January 29, 2016 by Radiya*

**Geometry**

Andrea has a yard shaped like parallelogram ABCD. The garden area, parallelogram EFGB, has an area of 105 ft. If Andrea wants to sod the rest of her yard, how many square feet of sod should she order? A. 765 ft B. 840 ft C. 945 ft D. 1,515 ft

*February 9, 2014 by anon*

**Math**

the distance between the center of symmetry of a parallelogram and its longer side is equal to 12 cm. The area of the parallelogram is 720 cm^2, and its perimeter is 140 cm. Determine the length of the longer diagonal of the parallelogram

*October 28, 2013 by Xavier*

**Coordinate Geometry**

Please help!!!!! The points A,B,C,D have coordinates (3,3), (8,0), (-1,1), (-6,4) respectively. a) Find the gradients of the lines AB and CD b) Show that ABCD is a parallelogram c) Find the coordinates of the point of intersection of the diagnols AC and BD. Please help me by ...

*December 19, 2012 by Jitesh*

**geometry**

in a parallelogram, consecutive angles aresupplementary. in the parallelogram below angle F measures (6x + 1) degrees and angle G measures (8x +11) degrees. find the numerical measure of both angles.

*January 25, 2012 by Myquan*

**geometry**

how do you find the area of a parallelogram?

*March 27, 2008 by brock*

**Geometry**

ABCD is a parallelogram. If AB = 2x - y, CD = 7, BC = x + y , AD = 2 find x and y.

*September 4, 2011 by Alexis*

**geometry**

ABCD is a parallelogram. BM= 22-3x, DM=10+9x, AM=7y+13 and CM=2y+38. solve for x and y

*January 17, 2012 by chrissy*

**Geometry**

Can you make a rectangle with a parallelogram?

*August 1, 2016 by Anonymous*

**math**

A diagonal of a parallelogram forms 25° and 35° angles with the sides of a parallelogram. Find the angles of the parallelogram.

*February 20, 2017 by annie*

**Geometry**

In parallelogram DEFG, DH = x + 1, HF = 3y, GH = 3x – 4, and HE = 5y + 1. Find the values of x and y. The parallelogram has D at the top left E at the top right, G at the bottom left and and F at the bottom right with H in the middle. Thank You ^0^

*January 4, 2012 by Hilary*

**geometry**

what's the area of a parallelogram with a height of 48 ft and a base of 40 ft

*March 31, 2011 by Briana*

**geometry**

a parallelogram has an altitude of 19 cm and a base of 15 cm. What is its area?

*January 16, 2011 by jasper*

**geometry**

determine the values of x and y for which ABCD is a parallelogram. AB = 3x + 7, BC = y +8, CD = 5x + 1, DA = 2y - 3

*May 29, 2012 by matt*

**geometry**

I am working on a geometry problem where I have to build a mobile of the quad. family. I have to state the properties of each figure. For a parallelogram I have 1. opp. sides are congruent 2. opp. angles are congruent 3. diagonals bisect each other and are congruent. For a ...

*December 12, 2009 by josh*

**Straight Lines**

From each corner of a parallelogram a perpendicular is drawn upon the diagonal which does not pass through that corner and these are produced to form another parallelogram, show that its diagonals are perpendicular to the sides of the first parallelogram and that they both ...

*January 21, 2012 by Kewal*

**GEOMETRY**

. A parallelogram is a _________ if and only if its diagonals are congruent.

*August 20, 2009 by Twg*

**geometry**

Find the area of a parallelogram with sides of 6 and 12 and an angle of 60°.

*June 8, 2010 by Anonymous*

**geometry**

ABCD is a parallelogram. solve for x and find the lengths of BC=16+2x and AD=10+8x

*January 4, 2011 by ana*

**Geometry**

what statement is not always true about a parallelogram?

*November 24, 2011 by Anonymous*

**geometry**

why do the parallelogram and the rectangle have the same formula? b*h

*February 16, 2012 by Anonymous*

**geometry**

the following coordinates: J(-6, 3), K(-3, 7), L(6, 7), and M(3, 3). What is the perimeter of parallelogram JKLM?

*February 29, 2012 by mckenzie*

**geometry**

If ON=2x-3, LM=7x+2, NM=x+6, and OL=6y-3, find the values of x and y for which LMNO must be parallelogram.

*April 5, 2012 by Lisa*

**geometry**

if ON=7x-5, LM= 6x+3, NM =x-4, and OL =2y+5, find the value of x and y given that LMNO is a parallelogram

*May 15, 2012 by lynn*

**geometry**

Given parallelogram ABCD, find the values of x and y. AX = y + 4 XC = 2y - 8 DX = x + 5 XB = 3x

*July 28, 2012 by victoria*

**maths-geometry**

how can we prove that parallelogram has parallel sides??

*December 4, 2012 by Anamika*

**geometry**

parallelogram ABCD has vertices A(8,2),B(6,-4),And C(-5,-4).find the coordinates of D.

*January 29, 2013 by ujj*

**Geometry**

ABCD is a parallelogram. Segment AC = 4x + 10. Find the value of x and y.

*January 29, 2013 by Sandra*

**Geometry**

the vertices of a parallelogram are a(3,-1),b(4, 3),c(7, 5), and d(6, 1). at what point do the diagonals intersect?

*May 9, 2013 by Billy*

**Geometry**

Abcd is a parallelogram. If m<bcd = 113 , then m<dab = ?

*May 28, 2014 by Anonymous*

**Math please help**

For the first question I really need all help I can get. Thanks! 1. Given a and b are unit vectors, a) if the angle between them is 60 degrees, calculate (6a+b) . (a-2b) b) if |a+b| = sqrt3, determine (2a-5b) . (b+3a) 2. The vectors a = 3i - 4j - k and b = 2i + 3j - 6k are the...

*March 30, 2008 by Anonymous*

**Geometry**

State a generalization about a rectangle that isn’t true for a parallelogram.

*January 22, 2010 by Rmz*

**geometry**

What is the perimeter of a parallelogram with bases of 15 cm, side length 37 cm, and height 29 cm?

*May 28, 2010 by Anonymous*

**geometry**

In parallelogram ABCD, A (0,0),B(a,b)and D(c,0)are three of it's vertices, what are the coordinates of C in terms of a,b,c

*July 3, 2011 by katie*

**geometry**

In parallelogram ABCD, A (0,0),B(a,b)and D(c,0)are three of it's vertices, what are the coordinates of C in terms of a,b,c

*July 4, 2011 by katie*

**geometry**

In parallelogram ABCD, A (0,0),B(a,b)and D(c,0)are three of it's vertices, what are the coordinates of C in terms of a,b,c

*July 4, 2011 by katie*

**Geometry**

YWXZ is a parallelogram with diagonals that intersect at point S. If YS = 34 and SX = 2x - 10, find x

*September 4, 2011 by LeiLani*

**Geometry**

ABCD is a parallelogram. Find x and y using the following information: AB = 5x - 2y DC = 4 AD = y BC = 5 - x

*September 4, 2011 by Alexis*

**geometry**

find the value of x and y of a parallelogram one side a degree

*October 8, 2011 by sadia*

**Geometry**

The quadrilateral with these following vertices is a parallelogram. (-4, -3), (2, -3), (4, -6), (-4, -6) True False

*January 19, 2012 by Dana*

**geometry**

1)YWXZ is a parallelogram with diagonals that intersect at point S. If WS = 10 and SZ = 2x – 6, find x.

*January 26, 2012 by d-boe*