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

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°.