aiselis0ehaAshM aiselis0ehaAshM

20-02-2017
Mathematics

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A rectangle is 3 times as long as it is wide. if the area is 12 square feet find its perimeter.

Respuesta :

sheheryar91 sheheryar91

20-02-2017

length=3*width
area=12
3W*W=12
w^2=4
w=2
l=6

perimeter=2(l+w)
=2(2+6)
=16

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