In a geometric diagram, ∠A and ∠B are complementary, and they form a straight line with ∠C. If m∠A=x°, m∠B=(2x)°, and m∠C=90°, what is the measure of ∠B?(1 point)
Responses
90°
90 degrees
180°
180 degrees
60°
60 degrees
30°
1 answer
The measure of ∠B is 60°.
1 answer