CC G-CO 10

Prove theorems about triangles. Theorems include: measures of interior angles of a triangle sum to 180°; base angles of isosceles triangles are congruent; the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length; the medians of a triangle meet at a point.

Category: Geometry

Domain: G-CO Congruence

Cluster: Prove geometric theorems.

All Standards Common Core Standards 8-12