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14-04-2020
Mathematics

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∠1 and ∠2 are complementary angles. The measure of ∠1 is 42°. The measure of ∠2 is (3x)°. Find the value of x.

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14-04-2020

I hate when the algebra pretends to be geometry.

∠2 = 90 - 42 = 48 degrees

3x degrees = 48 degrees

3x = 48

x = 16

Answer: 16

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