Unit 8 Review (L)

Define Convex Polygon

• Contains at least one diagonal outside the polygon

• All angles are congruent without regards to sides

• All sides and angles are congruent

• Contains No diagonals outside the polygon

Define Regular Polygon

• Contains at least one diagonal outside the polygon

• All angles are congruent without regards to sides

• All sides and angles are congruent

• Contains No diagonals outside the polygon

Define Equilateral Polygon

• All sides are congruent without regards to the angles

• All angles are congruent without regards to sides

• All sides and angles are congruent

• Contains No diagonals outside the polygon

Define Equiangular Polygon

• All sides are congruent without regards to the angles

• All angles are congruent without regards to sides

• All sides and angles are congruent

• Contains No diagonals outside the polygon

Define Concave Polygon

• Contains at least one diagonal outside the polygon

• All angles are congruent without regards to sides

• All sides and angles are congruent

• Contains No diagonals outside the polygon

Define Polygon.

• A polygon is a shape with curved edges.
• A polygon is a closed figure with straight sides.
• A polygon is a three-dimensional object.
• A polygon is a figure with only one side.

The sum of the measures of the interior angles of a nonagon is:

• 1260

• 1440

• 1080

• 1620

If each interior angle of a regular polygon measures 171º, the number of sides is

• 40

• 20

• 30

• 36

What is the measure of an exterior angle of a regular pentagon?

• 72°

• 108°

• 90°

• 60°

The formula to find the measure of one interior angle for regular polygons, knowing the number of sides, is _____ .

• ((n-2) * 180) / n

• ((n-2) * n) / 180

• (n * 180) / (n-2)

• 180 / n