6.1-6.3 Review

Front

What is a parallelogram?

Back

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

Front

What is the formula for the sum of the interior angles of a polygon?

Back

S_I = 180(n-2), where n is the number of sides.

Front

What is the measure of each interior angle in a regular polygon with 5 sides?

Back

108 degrees.

Front

What are the properties of a parallelogram?

Back

1. Opposite sides are equal. 2. Opposite angles are equal. 3. Diagonals bisect each other.

Front

What is the measure of the exterior angle of a regular polygon with 6 sides?

Back

60 degrees.

Front

If a polygon has 8 sides, what is the sum of its interior angles?

Back

1080 degrees.

Front

What is the relationship between the diagonals of a parallelogram?

Back

The diagonals of a parallelogram bisect each other.

Front

What does it mean for a polygon to be regular?

Back

A regular polygon has all sides and all angles equal.

Front

How can you determine if a quadrilateral is a parallelogram?

Back

If one pair of opposite sides is both parallel and equal in length, then it is a parallelogram.

Front

What is the measure of angle h in a regular pentagon?

Back

108 degrees.