Questions on Geometry: Parallelograms answered by real tutors!

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Question 317835: If one interior angle of a parallelogram measures 120 degrees, what are the measures of the other three interior angles?
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Question 317859: Are the points A(6,4),B(8,6),C(4,8) and D(2,4) vertices of a square? Find its area
Click here to see answer by Edwin McCravy(8909)

Question 318344: ABCD is a parallelogram. If AB is equal to 5x and CD is equal to 27, find x.

6.5
5.4
3.6
9.5

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Question 318357: if x1 and x2 complementary angles and if the measures of x1 is 18 degrees more than the measure of x2, determine the measures of x 1 and x 2
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Question 318405: the two diagonals divide square ABCD into fours small triangles. What is the sum of the perimeters of those triangles?
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Question 318834: three vertices of a parallelogram have coordinates (0,1) (3,7) and (4,4).What are the coordinates of the fourth quadrant vertex ?
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Question 318770: ABCD is an inscribed quadrilateral. Find the measures of angles A, B, C, D?
I cant get the picture, but i can describe it.
Inside the circe is a quadrilateral.
Quad. ABCD
Angle A is the lower left corner
Angle B Is the upper left corner
Angle C is the upper right corner
Angle D is lower right corner
Angle A= 2x+y
Angle B= 2y-10
Angle C= 80
Angle D= 3x
(Image is not drawn to scale)
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Question 319020: Show that the points A(-1,4) B(5,4) C(-1,-2) D(5,-2) are vertices of a square?

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Question 319788: how do you solve triangles with area and perimeter
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Question 321946: In the parallelogram ABCD shown, find x if x = EF.
I couldn't copy and paste the picture from the book so I had to draw it in paint. The following is a link to the picture that goes with the question:
http://i1015.photobucket.com/albums/af271/shenelle23/mathhelppicture.jpg
Click here to see answer by Fombitz(13828)

Question 323114: hi im really stuck on a difficult Question !
It asks to find the co ordinates of point B on a parrallelogram, with points A (2,7), Point C (6,3) and point D ( 1,3)
the answer is (7,7) please help asap!
thankyou
Click here to see answer by josmiceli(9680)

Question 324891: three angles of a qudrilateral measure 35,125 and 85 degrees what is the measure of the fourth angle
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Question 324892: three measures of a parallelogram measure 45,135, and 135 degrees what is the measure of the fourth angle
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Question 324992: In parallelogram ABCD, AB = 31, BC = 20, CD = 5x + 3y, and DA = 3x + 2y. Find the lengths of the sides of the parallelogram.
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Question 325623: The perimeter of the parallelogram is 8x+4y. What are the lengths of the missing sides?
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Question 326018: in a parallelogram one angle is 9 times the size of another. find the measures of the angles
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Question 327019:
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Question 328401: what is 3x+4 5x-6 solve for x in a paralleogram
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Question 328673: Two consecutive angles of a parallelogram are in the ratio 2:3. What is the measure of the smaller angle?
A.32 B 72 C 108 D 90
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Question 328748: The vertices of quadrilateral are (7,9), (8,-4), (-5,-2), (0,9). What is the sum of lengths of its diagonals?
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Question 330092: If HG=15, HI=12, and the area is 282, find EF
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Question 330588: A rhombus has sides that are each 12 decimeters in length. Which statement is true about this rhombus?
a. The area of the rhombus is at least 144 square decimeters.
b. The area of the rhombus is 144 square decimeters.
c. The area of the rhombus is at most 144 square decimeters.
d. The area of the rhombus is less than 144 square decimeters.
e. The area of the rhombus is 48 square decimeters.
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Question 330629: if a=m2+2,what is the value of a when m=-3?
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Question 330628: find the solution to the equation -2(x+5)=-16.
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Question 330631: how many possibilities are there if you are creating a 4-digit password using the digits 0through9?you may repeat numbers.
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Question 330638: what is the number six million,thrity thousaand,expressed in scientific notation?
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Question 330642: solve n/3+(-4)=-2
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Question 330644: what is the value of 2+(-2/3)2divided by 1/3?
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Question 330630: the scale of a map is 1 centimeter to 25 kilometers. it is about 85 kilometers between two cities.how many centimeters should seperate them on the map?
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Question 330649: tyler is three-fourths of his broythers age. the sum of their ages is 21. how old is tyler?
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Question 330646: what number could be used as a common denominator for adding the fractiopns 2/63,4/-35,and 8/21?
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Question 330692: what are the odds of rolling a 5 on a standard number cube?
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Question 330690: if you flip a coin three times in the air,what is the probability that tails land up all three times?
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Question 330664: what are the coordinates of the midpoint between (3,-7) and (-5,2)?
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Question 330658: find the length of the hypotenuse in the following figure. the height is 4 and the width is 10.
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Question 330652: a car salesman earns 20% commission on every car that he sells. approximately what commision would he make if he sold a car for $9,895?
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Question 330647: how many whole sandwiches can be made with 3 pounds of turkey if each sandwich has 5 ounces of turkey on it?
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Question 334955: Rearrange Algerbraically to for the letter h
A=bh
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Question 335362: If three corners of a parallelogram are (1,1), (4,2), and (1,3), what are all three of the possible fourth corners?
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Question 334209: The perimeter of a parallelogram with side lengths 6 1/4 inches and 5 inches
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Question 335813: If a parallelogram has a base of 6x and a height of 2x, what is the area of the parallelogram in terms of x?
a)12x
b)16x
C)12x^2
D)16x^4
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Question 337067: Two consecutive vertices of a parallelogram are (3,-3) and (0,2).If their diagonals meet at the origin find the other two vertices.
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Question 343825: which set of numbers represents the lengths of the sides of triangle?
(a) {5,13,18}
(b) {7,16,24}
(c) {6,17,22}
(d) {8,15,26}
Click here to see answer by solver91311(16885)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990