Understanding Parallelograms

What is a defining characteristic of a parallelogram?

• All angles are right angles

• Both pairs of opposite sides are parallel

• Diagonals are perpendicular

• All sides are equal

If one angle of a parallelogram is a right angle, what can be said about the other angles?

• They are all congruent

• They are all right angles

• They are all obtuse angles

• They are all acute angles

In a parallelogram, if one side is 12 units, what is the length of the opposite side?

• 6 units

• 12 units

• 24 units

• 18 units

How do diagonals behave in a parallelogram?

• They are perpendicular

• They bisect each other

• They are parallel

• They are equal in length

What is the measure of angle L if angle M is 135 degrees in a parallelogram?

• 45 degrees

• 90 degrees

• 180 degrees

• 135 degrees

If 6y - 9 = 21 in a parallelogram, what is the value of y?

• 5

• 6

• 4

• 3

What is the value of x if 50 + 7x + 4 = 180 in a parallelogram?

• 22

• 20

• 18

• 16

If 4r = 18 in a parallelogram, what is the value of r?

• 4.5

• 9

• 4.25

• 9.5

What is the value of t if 2t = 18 in a parallelogram?

• 11

• 8

• 9

• 10

Where do the diagonals of a parallelogram intersect?

• At the midpoint of each diagonal

• At the origin

• At the center of the circle circumscribing the parallelogram

• At the vertex