Geometry Chapter 1 Vocabulary

Is an angle whose measure is greater than 0^o but less than 90^o

To divide a segment or an angle into two congruent segments or angles.

A___ is a solid with a circular base connected by a curved surface to a single vertex

___are segments that have the same length

A polygon with all equal sides is an ____

____is a straight path that has no thickness and extends forever in two directions

Are two angles in the same plane with a common vertex and a common side, but no common interior points

The __ is the number of square units needed to cover a surface

Are two angles whose measures have a sum of 90°

A polygon where no diagonal contains points in the exterior of the polygon (all diagonals are completely inside the polygon)