Question
Gary says angles r and d are complementary because they add up to 90°. Is Gary's statement true or false?
Gary's work:
∠r = 40°
∠d = 50°
40° + 50° = 90°
(1 point)
Responses
True
True
False.
Gary's work:
∠r = 40°
∠d = 50°
40° + 50° = 90°
(1 point)
Responses
True
True
False.
Answers
GPT-4o mini
Gary's statement is true. Complementary angles are defined as two angles that add up to 90°. Since ∠r is 40° and ∠d is 50°, their sum is 90° (40° + 50° = 90°). Therefore, angles r and d are indeed complementary.