CC G-CO 9
Prove theorems about lines and angles. Theorems include: vertical angles are congruent; when a transversal crosses parallel lines, alternate interior angles are congruent and corresponding angles are congruent; points on a perpendicular bisector of a line segment are exactly those equidistant from the segment’s endpoints.
Category: Geometry
Domain: G-CO Congruence
Cluster: Prove geometric theorems.
All Standards Common Core Standards 8-12
