Angles a

Question

and b
are supplementary angles. What is m∠a
if m∠b=98°
?(1 point)
Responses

82°
82 degrees - no response given

278°
278 degrees - no response given

98°

Answer 1

Supplementary angles are two angles whose measures add up to 180 degrees. Given that m∠b = 98°, you can find m∠a by subtracting the measure of ∠b from 180°:

m∠a = 180° - m∠b
m∠a = 180° - 98°
m∠a = 82°

So, the measure of angle a (m∠a) is 82°.