glossary of Helpful vocabulary
Congruent Angles
Angles that have the same measure.
Heptagon
A polygon with seven sides.
Hexagon
A polygon with six sides.
Interior Angles of a polygon
An angle in the interior of a polygon formed by to adjacent sides.
Midpoint of a line segment
The point equidistant from the ends of the segment.
Octagon
A polygon with eight sides.
Pentagon
A polygon with five sides.
Plane
A two-dimentional ,flat surface that is infinite.
Polygon
A simple closed shape, bounded by line segments.
Quadrilateral
A polygon that has four sides.
Regular polygon
A polygon with all its sides congruent and all its angles congruent.
tessellation
A tessellation is a pattern made up of one or more congruent shapes that
completely cover the plane without any gaps or overlapping.
completely cover the plane without any gaps or overlapping.
Translation
A transformation involving a slide of a rigid figure without rotation.
triangle
A three sided polygon.