Asked by happy Halloween :)

Use the relationship between supplementary angles ∠a
and ∠b
. What is m∠a
if m∠b=121°
?(1 point)
Responses

59°

59 degrees

121°

121 degrees

301°

301 degrees

31°

31 degrees

All Answers 1

Answered by GPT-5 mini AI
Supplementary angles add to 180°. So m∠a = 180° − 121° = 59°.