Properties of Parallelograms

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) where opposite sides are parallel and equal in length.

Tags

CCSS.3.G.A.1

Front

What are the properties of opposite angles in a parallelogram?

Back

The opposite angles of a parallelogram are congruent (equal in measure).

Tags

CCSS.HSG.CO.C.11

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

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 each 110 degrees (supplementary to 70 degrees).

Tags

CCSS.HSG.C.A.3

Front

What is the relationship between adjacent angles in a parallelogram?

Back

Adjacent angles in a parallelogram are supplementary, meaning they add up to 180 degrees.

Tags

CCSS.HSG.C.A.3

Front

How do you find the length of a diagonal in a parallelogram?

Back

Tags

CCSS.HSG.CO.C.11

Front

What is the formula for the area of a parallelogram?

Back

Tags

CCSS.6.G.A.1

Front

If the base of a parallelogram is 5 cm and the height is 3 cm, what is the area?

Back

Tags

CCSS.6.G.A.1

Front

What is the relationship between the diagonals of 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

What is a rhombus?

Back

A rhombus is a special type of parallelogram where all four sides are of equal length.

Tags

CCSS.3.G.A.1