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jek_recluse [69]
3 years ago
8

The length of a rectangle is five times its width.

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
4 0

Answer:

72

Step-by-step explanation:

l = 5w

A = l*w

180 = 5w *w

180 = 5w^2

Divide each side by 5

180/5 = 5w^2 /5

36 = w^2

Taking the square root of each side

sqrt(36) = sqrt(w)^2

6 =w

l = 5w = 5*6 = 30

The perimeter is

P = 2(l+w)

P = 2(6+30) = 2(36) = 72

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