Diagonal of a Polygon

Select the correct answer. A diagonal of a polygon is a segment that joins any two nonadjacent vertices of a polygon.

• equiangular

• vertices

• equilateral

• concave

Corresponding sides of polygons are sides that are in the same relative position on two different polygons that have the same number of sides.

• angle

• vertices

• relative

• adjacent

Given: Point M is the midpoint of BD; AM ≅ CM. Prove: ΔABM ≅ ΔCDM

• AB ≅ CD

• BM ≅ DM

• Definition of congruent angles

• Vertical Angles Theorem

• Alternate Interior Angles Theorem

None of the diagonals in a(n) ______ polygon contain points in the exterior of the polygon.

• vertices

• convex

• concave

• equilateral

An included angle is formed by the intersection of two ______ sides of a polygon.

• congruent

• adjacent

• relative

• vertices

Select the correct answer. A regular polygon is both ___ and equilateral.

• convex

• equiangular

• concave

• vertices

Given: A(0, 6), B(6, 6), C(6, 0), D(0, 0); ∠DAB, ∠ABC, ∠BCD, ∠CDA are right angles. Prove: △BCD is a square.

Congruent polygons are polygons in which their corresponding angles and sides are ______.

• congruent

• adjacent

• relative

• angle

At least one diagonal in a(n) ______ polygon contains points in the exterior of the polygon.

• equilateral

• convex

• equiangular

• concave

Find the sum of the measures of the interior angles of a regular hexagon using the Polygon Interior Angle Sum Theorem.

• 720°

• 60°

• 120°

• 900°