6.2 Basic Properties of Parallelograms

Front

What property states that consecutive angles in a parallelogram are supplementary?

Back

Consecutive angles are supplementary.

Front

What can be said about the opposite angles of a parallelogram?

Back

The opposite angles of a parallelogram are congruent.

Front

In a parallelogram, what is true about consecutive angles?

Back

In a parallelogram, consecutive angles are supplementary.

Front

What happens to the diagonals of a parallelogram?

Back

In a parallelogram, diagonals are bisected.

Front

Are the opposite sides of a parallelogram congruent?

Back

True, the opposite sides of a parallelogram are congruent.

Front

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

Back

The sum of the interior angles of a parallelogram is 360 degrees.

Front

How do you determine if a quadrilateral is a parallelogram using its sides?

Back

If both pairs of opposite sides are congruent, then the quadrilateral is a parallelogram.

Front

What is the relationship between the diagonals of a parallelogram?

Back

The diagonals of a parallelogram bisect each other.

Front

If one angle of a parallelogram is 70 degrees, what are the measures of the other angles?

Back

The opposite angle is also 70 degrees, and the consecutive angles are 110 degrees each.

Front

What can be concluded if the diagonals of a quadrilateral bisect each other?

Back

If the diagonals of a quadrilateral bisect each other, the quadrilateral is a parallelogram.