lola54321 lola54321

21-03-2021
Mathematics

contestada

A rectangle is twice as long as it is wide. Its perimeter (the sum of the lengths of its sides) is 84 cm. Find its length and width (in cm).

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olmyers18 olmyers18

21-03-2021

_______________
|. |
X. |. |
|
|_______________
2x

X +x+2x+2x=84
6x=84
X=14

Width 14 cm
Length 28 cm

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