Question

<1 and <2 are complementary angles given m<1 = 12° find m<2 =

Answer 1

∠ 2 = 78°

Explanation:

2 complementary angles sum to 90° , that is

∠ 1 + ∠ 2 = 90° ( substitute ∠ 1 = 12° )

12° + ∠ 2 = 90° ( subtract 12° from both sides )

∠ 2 = 78°