tigerking3447 tigerking3447

28-01-2021
Mathematics

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the length of a rectangle is twice its width.Find its area if its perimeter is 7 1/2cm

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avasofia04 avasofia04

28-01-2021

let x equal the width
let 2x equal length

2x + 2x + x + x = 7.5
6x = 7.5
x = 1.25

width = 1.25
length = 2.5

(2.5)(1.25) = 3.125

3.125 = 3 1/8
area = 3 1/8

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