Question

The measure of ∠1 is 121°. What is the measure of ∠G ?

Answer 1

∠ G = 59°

Explanation:

angles 1 and G are a linear pair and sum to 180° , that is

∠ 1 + ∠ G = 180°

121° + ∠ G = 180° ( subtract 121° from both sides )

∠ G = 59°