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GaryK [48]
3 years ago
13

I need some answer for my homework

Mathematics
1 answer:
grandymaker [24]3 years ago
7 0

The angles form a right angle, so make an equation where they add up to 90 degrees.

(c + 3) + (4c - 13) = 90

Combine like terms.

5c - 10 = 90

Add 10 to both sides.

5c = 100

Divide both sides by 5.

c = 20

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