Question

7 angle 1 and what other angle are complementary angles? * (25 points)

Explanation:

Step1: Recall complementary angles definition

Two angles are complementary if their sum is 90 degrees. In the given figure, a right - angle is formed at the intersection.

Step2: Identify complementary angle to Angle 1

Since Angle 1 and Angle 2 together form a right - angle (90 degrees), they are complementary.

Answer:

1. A. 2