Find the value of the variable and the measure of each angle. Problem of the Day

Section 4-8 Triangles and Coordinate Proof

Then Now Objectives You proved triangles congruent. Position and label triangles for use in coordinate proofs.

Common Core State Standards Content Standards G.CO.10 – Prove theorems about triangles. G.GPE.4 – Use coordinates to prove simple geometric theorems algebraically. Mathematical Practices 2) Reason abstractly and quantitatively. 3) Construct viable arguments and critique the reasoning of others. Common Core State Standards

Name the missing coordinates of the triangle. Example 2

Name the missing coordinates of the triangle. Example 2

Name the missing coordinates of the triangle. Example 2

Name the missing coordinates of each triangle. Example 2

p.306 #3, 13 – 18, 40 Homework

Name the missing coordinates of the triangle. Problem of the Day