Properties of Parallelograms

Front

The opposite angles of a parallelogram are ...

Back

congruent

Front

If angle A = 60°, what is the measure of angle B in a parallelogram?

Back

120°

Front

In a parallelogram, the sum of the interior angles is ...

Back

360°

Front

The diagonals of a parallelogram bisect each other. True or False?

Back

True

Front

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

Back

70°, 110°, 110°

Front

What is the relationship between adjacent angles in a parallelogram?

Back

They are supplementary.

Front

If a parallelogram has sides of length 5 cm and 10 cm, what is the perimeter?

Back

30 cm

Front

In a parallelogram, if one pair of opposite sides is equal, what can be said about the other pair?

Back

They are also equal.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height

Front

If the base of a parallelogram is 8 cm and the height is 5 cm, what is the area?

Back

40 cm²