Understanding Parallelograms

What is a defining characteristic of a parallelogram?

• All sides are equal

• Both pairs of opposite sides are parallel

• Diagonals are equal

• All angles are right angles

Which of the following is true about the opposite sides of a parallelogram?

• They form right angles

• They are congruent

• They are perpendicular

• They are not equal

In a parallelogram, what can be said about the opposite angles?

• They are complementary

• They are unequal

• They are congruent

• They are supplementary

What is the relationship between consecutive angles in a parallelogram?

• They are complementary

• They are congruent

• They are equal

• They are supplementary

How do the diagonals of a parallelogram interact with each other?

• They are equal

• They bisect each other

• They are perpendicular

• They do not intersect

If one angle of a parallelogram is 65°, what is the measure of its opposite angle?

• 65°

• 130°

• 180°

• 115°

In a parallelogram, if one angle is 120°, what is the measure of its consecutive angle?

• 60°

• 240°

• 120°

• 180°

If the diagonals of a parallelogram intersect at point M, what can be said about the segments created?

• They are parallel

• They are equal in length

• They form right angles

• They are perpendicular

Which property of parallelograms can be used to find the value of x if one side is x + 4 and the opposite side is 12?

• Opposite sides are parallel

• Diagonals bisect each other

• Opposite sides are congruent

• Consecutive angles are supplementary

What is the sum of the interior angles of a parallelogram?

• 180°

• 450°

• 270°

• 360°