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∠A and angle ∠B are complementary angle. If angle A=(x1)∘ and angle B=(7x-15), then find the meaure of angle ∠B

1 Answer

6 votes
(X1)+(7x-15)=90(complementary angles add up to 90 degrees)
X1+7x-15=90
8x-15=90
X=13.125

Therefore=(7x13.125-15)
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