4-1 and 4
... angles of a triangle = 180 degrees: 1. Acute angles of a right triangle are complementary. 2. There can be at most one right angle or one obtuse angle in a triangle. ...
... angles of a triangle = 180 degrees: 1. Acute angles of a right triangle are complementary. 2. There can be at most one right angle or one obtuse angle in a triangle. ...
Warm-Up
... will be able to use given information to recognize which congruence postulate can be used to prove that two triangles are congruent. ...
... will be able to use given information to recognize which congruence postulate can be used to prove that two triangles are congruent. ...
