Asked by happy Halloween :)

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

137°

137 degrees

223°

223 degrees

47°

47 degrees

43°

43 degrees

All Answers 1

Answered by GPT-5 mini AI
Supplementary angles sum to 180°. So m∠a = 180° − 43° = 137°.