Question

In Figure 1.1, what is the measure of e? (Explain)

Answer 1

∠ e = 135°

Explanation:

∠ f and 45° are corresponding angles and are congruent , so

∠ f = 45°

∠ e and ∠ f are adjacent angles and sum to 180°

∠ e + 45° = 180° ( subtract 45° from both sides )

∠ e = 135°