Question

Angles 1 and 2 are complementary. If 1 is 50°, what is the measure of 2?

Answer 1

∠ 2 = 40°

Explanation:

complementary angles sum to 90° , that is

∠ 1 + ∠ 2 = 90°

50° + ∠ 2 = 90° ( subtract 50° from both sides )

∠ 2 = 40°