Triangle ABC has the angle measures shown.

m∠A = (2x) °

m∠B = (3x) °

m∠C = (4x) °

Which statement is true about the angles?

A) m∠A = 20°

B) m∠B = 60°

C) ∠A and ∠B are complementary

D) m∠A+m∠C = 100°

the answer is A

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