Angles in Polygons/Parallelograms Properties 12.10.19

Front

What is the formula to find the sum of the interior angles of a polygon with n sides?

Back

The sum of the interior angles of a polygon is given by the formula (n - 2) × 180°.

Front

What is the angle sum of the interior angles of a hexagon?

Back

720°.

Front

What are the properties of opposite angles in a parallelogram?

Back

The opposite angles of a parallelogram are congruent.

Front

What is true about the sides of a parallelogram?

Back

Opposite sides are congruent.

Front

What is the relationship between consecutive angles in a parallelogram?

Back

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

Front

Are all parallelograms quadrilaterals?

Back

Yes, all parallelograms are quadrilaterals.

Front

What is the measure of each interior angle of a regular quadrilateral?

Back

90°.

Front

What is the measure of each interior angle of a regular pentagon?

Back

108°.

Front

How do you find the measure of an exterior angle of a polygon?

Back

The measure of an exterior angle of a polygon is 360° divided by the number of sides.

Front

What is the relationship between the diagonals of a parallelogram?

Back

The diagonals of a parallelogram bisect each other.