Find Missing Angles Quick Check

5 of 55 of 5 Items

Question
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

30°
30 degrees

60°
60 degrees

90°
90 degrees

180°

1 answer

180°

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