Properties of Parallelograms

Front

What is a property of parallelograms?

Back

The opposite sides are equal and parallel.

Front

How are the sides of a parallelogram related in terms of length?

Back

The sides of a parallelogram are equal in length.

Front

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

Back

They are equal and parallel.

Front

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

Back

The internal angles add up to 360 degrees.

Front

What is the relationship between opposite angles in a parallelogram?

Back

Opposite angles are equal.

Front

What is the relationship between consecutive angles in a parallelogram?

Back

Consecutive angles are supplementary (add up to 180 degrees).

Front

What is the definition of a parallelogram?

Back

A parallelogram is a quadrilateral with opposite sides that are equal and parallel.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

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 said about the diagonals of a parallelogram?

Back

The diagonals bisect each other.