F AB C DE Important Terms A VERTEX is the point of intersection of two sides A segment whose endpoints are two nonconsecutive vertices is called a DIAGONAL. CONSECUTIVE VERTICES are two endpoints of any side. Sides that share a vertex are called CONSECUTIVE SIDES.
More Important Terms EQUILATERAL - All sides are congruent EQUIANGULAR - All angles are congruent REGULAR - All sides and angles are congruent
Polygons are named by listing its vertices consecutively. AB ED C F
Polygons can be CONCAVE or CONVEX CONVEX CONCAVE
Ex. 3 Classify each polygon as convex or concave.