What is a polygon?
A shape formed by three or more line segments, called sides.
What is a perimeter?
The measure of a distance of a two dimensional figure.
What is a vertex?
A corner of a polygon.
What is a right angle triangle?
An angle that measures 90 degrees.
What are Perpendicular lines?
Lines that meet at right angle triangles.
What is a base?
A side of a triangle.
What is a height of a triangle?
The perpendicular distance from the vertex opposite the base to the base.