<A and <B are complementary angles. M<A = 3x and m<B = x + 10. What is x? < = angle symbol

asked Mar 8, 2020 84.4k views

4 votes

<A and <B are complementary angles. M<A = 3x and m<B = x + 10. What is x?

< = angle symbol

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m<A + m<B = 90 By definition of Complimentary

3x + x + 10 = 90

4x + 10 = 90

4x = 80

x = 20

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