If <A is a complement to <B, it means that the sum of the measures of <A and <B is 90°.
So, m <B = 90° - m <A = 90° - 31° = 59°.
Therefore, the measure of <B is 59°. Answer: B) 59°.
If <A is a complement to <B and the m <A is 31°, what is the measure of <B?
149°
59°
31°
329°
1 answer