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The length of a rectangle is 4 times it’s width . It’s perimeter is 90 m . Find it’s dimensions .use p
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1 vote
The length of a rectangle is 4 times it’s width . It’s perimeter is 90 m . Find it’s dimensions .use p

User DzITC
by
8.2k points

1 Answer

5 votes

Answer:

w = 9

l = 36

Explanation:

P = 90

l = 4w

P=2(l+w)

90 = 2(4w+w)

90 = 10w

w = 9

90 = 2(l+9)

90 = 2l + 18

72 = 2l

l = 36

User Thomas Pons
by
8.0k points
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