Respuesta :

levineuwirth
Complementary angles add up to 90 degrees.
We can make an equation to solve for x:
90-50 = 4x
40 = 4x
X = 10

Answer:

10

Step-by-step explanation:

Complementary angles are sums that equal 90 degrees and if you subtract 90-50=40 divide that by 4 and you get your answer on 10

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