21-07-2017
Mathematics

contestada

A rectangle is 13 centimeters longer than it is wide. Its perimeter is 226 centimeters. What are the length and width?

Respuesta :

21-07-2017

let width be x
let length be x+13
perimeter=2*(L+W)
226=2*(x+x+13)
226=2*(2x+13)
226=4x+26
subtract 26 from each sides
200=4x
x=50, which is the width
length=63

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