For what value of x is angle 1 complementary to angle 2, if m angle 1=5x+4 and m angle 2=7x+2?

Question

Mathematics

Leanna Russell

13 February, 16:21

For what value of x is angle 1 complementary to angle 2, if m angle 1=5x+4 and m angle 2=7x+2?

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Answers (1)

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Athena Bullock · Answer 1

Two Angles are Complementary when they add up to 90 degrees (a Right Angle). They don't have to be next to each other, just so long as the total is 90 degrees.

So (5x + 4) + (7x + 2) = 90

12x + 6 = 90

12x = 90 - 6

12x = 84

X = 7