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35 votes
35 votes
A rectangle's width is one-seventh its length, and its perimeter is 160 m. Find the dimensions of the rectangle.

User OnTheFly
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1 Answer

18 votes
18 votes

Answer:

dimensions of the rectangle is 70m by 10m

Explanation:

w = 1/7 X L

p = 160m

p = 2(L + W)

p = 2( L + L/7)

160/2 = (L + L/7)

80 =( 8L/7)

Make L subject of formula

L = 80 X 7/8

L = 10x 7

L = 70m

W = 1/7 X L

W = 1/7 X 70 = 10m

User Mitra Ghorpade
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2.7k points