ninabrown82 ninabrown82

01-10-2019
Mathematics

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

< = angle symbol

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alishedd83 alishedd83

01-10-2019

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

3x + x + 10 = 90

4x + 10 = 90

4x = 80

x = 20

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