∠A and ∠B are two complementary angles. If ∠A is 20° more than ∠B, then find the value of ∠A.
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Step-by-step explanation:
Two angles are called complementary if their measures add to 90 degrees.
∠A + ∠B = 90°
Given ∠A is 20° more than ∠B,
Therefore (20°+∠B )+ ∠B = 90°
20°+ 2∠B = 90°
∠B = 70/2 = 35°
Therefore, ∠A = 35°+20° = 55°
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