Polygons
Transversal
A line that intersects
two coplanar lines
Regular Polygon
A polygon that is both
equilateral and equiangular
Concave Polygon
A polygon whose sides
are at an inward angle
Convex Polygon
A polygon which its sides
are at an outward angle
Exterior Angle of a Polygon
An angle formed by a
side and an adjacent side
Isosceles Triangle
A triangle with two congruent sides,
the congruent sides are called legs
the non congruent side is called the base
