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 the opposite angles in a parallelogram?

Back

The opposite angles in a parallelogram are equal.

Tags

CCSS.HSG.C.A.3

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

In a parallelogram, what can be said about the diagonals?

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

What is the relationship between the lengths of the diagonals in a parallelogram?

Back

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

Tags

CCSS.HSG.CO.C.11

Front

If the lengths of two adjacent sides of a parallelogram are 5 cm and 12 cm, what is the perimeter?

Back

The perimeter is 2(5 cm + 12 cm) = 34 cm.

Tags

CCSS.3.MD.D.8

Front

What is the formula for the area of a parallelogram?

Back

The area of a parallelogram is given by the formula: Area = base × height.

Tags

CCSS.6.G.A.1

Front

If the base of a parallelogram is 10 cm and the height is 4 cm, what is the area?

Back

The area is 10 cm × 4 cm = 40 cm².

Tags

CCSS.6.G.A.1

Front

In a parallelogram, if one diagonal measures 10 cm and the other measures 24 cm, what can be said about their lengths?

Back

The diagonals are not equal in length.

Tags

CCSS.HSG.CO.C.11