Parallelogram Properties

Front

What defines a parallelogram?

Back

A parallelogram is defined as a quadrilateral with opposite sides that are both parallel and congruent.

Tags

CCSS.3.G.A.1

Front

What is the property of opposite sides in a parallelogram?

Back

In a parallelogram, opposite sides are equal in length and parallel.

Tags

CCSS.HSG.CO.C.11

Front

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

Back

In a parallelogram, opposite angles are equal.

Tags

CCSS.HSG.C.A.3

Front

What is the relationship between the diagonals of a parallelogram?

Back

The diagonals of a parallelogram bisect each other.

Tags

CCSS.HSG.CO.C.11

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 adjacent angles are 110 degrees each.

Tags

CCSS.HSG.C.A.3

Front

How do you determine if a quadrilateral is a parallelogram using side lengths?

Back

If both pairs of opposite sides are equal in length, the quadrilateral is a parallelogram.

Tags

CCSS.HSG.CO.C.11

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

Tags

CCSS.6.G.A.1

Front

If the lengths of the sides of a parallelogram are 5 cm and 7 cm, what can be said about the opposite sides?

Back

The opposite sides are also 5 cm and 7 cm respectively.

Front

What is the significance of the diagonals in a parallelogram?

Back

The diagonals of a parallelogram bisect each other, meaning they cut each other in half.

Tags

CCSS.HSG.CO.C.11

Front

If the lengths of the diagonals of a parallelogram are 8 cm and 6 cm, what can be inferred?

Back

The diagonals are not necessarily equal in length in a parallelogram.

Tags

CCSS.HSG.CO.C.11