Question

Angles a and b are supplementary angles. What is the value of m∠a if m∠b=43°?(1 point)

Responses

A. 137°
137 degrees

B. 43°
43 degrees

C. 223°
223 degrees

D. 47°

Answer 1

[AI-generated answer — Bot GPT 3.5]

Since angles a and b are supplementary angles, their sum is 180 degrees. Therefore, if angle b is 43 degrees, the value of angle a would be 180 degrees - 43 degrees, which equals 137 degrees.

Therefore, the correct answer is:
A. 137°