Congruence
HSG.CO.C.10
10th Grade · Common Core Standards
Standard
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.
Study materials
Study guide, practice problems, review, and practice test for this standard.
- Study GuideComing soon
- Practice ProblemsComing soon
- ReviewComing soon
- Practice TestComing soon
- Answer keyComing soon
© Common Core State Standards Initiative. Used under CC BY 4.0. See thecorestandards.org for the official standards.