A polygon that has all vertices pushed outward is called a?
Convex Polygon
A polygon that has at least one vertex pushed in is called a ___________ polygon?
Concave Polygon
What is a 4 sided shape called?
Quadrilateral
Two lines that intersect and form a right angle are called __________?
Perpendicular Lines
What is the name of an angle of more than 90 degrees but less than 180 degrees?
Obtuse angle
