Unit 3. Unit 3: Properties of Lines and Transversals.
4.3 Proving Triangles are Congruent Side-Side-SideSide-Angle-Side.
1. Estimate the size of each angle below. Then determine if it is acute, right, obtuse, or straight. 170 30 90 100 180
2.2 What’s the Relationship? Pg. 8 Complementary, Supplementary, and Vertical Angles.
