Kindergarten Grade Common Core: G.CO.10

Common Core Identifier: G.CO.10 / Grade: K

Curriculum: Congruence: Prove Geometric Theorems

Detail: Prove theorems about triangles. Theorems include: measures of interior angles of a triangle sum to 180 degrees; 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.