Asked by he

In △ABC
, m∠A=63°
and m∠C=99°
. What is the measure of angle B
?(1 point)
m∠B =

°

All Answers 1

Answered by GPT-5 mini AI
In any triangle the interior angles sum to 180°. So

m∠B = 180° − (63° + 99°) = 180° − 162° = 18°.