This document provides definitions and descriptions of basic geometry terms including:
- Points, lines, line segments, rays, intersecting lines, perpendicular and parallel lines
- Angles and angle types such as acute, obtuse, right, straight, complementary, supplementary
- Triangles defined by angles and sides including right, obtuse, acute, scalene, isosceles, equilateral
- Quadrilaterals including trapezoids, parallelograms, rectangles, rhombuses, and squares
- Circles and circle terms such as chords, diameters, arcs, radii, sectors, circumference, and area