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17-04-2022
Mathematics

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A rectangle's length is 3 times its width. If the perimeter is 32, what is the area?

Respuesta :

igotyou10 igotyou10

17-04-2022

l = 3w
Perimeter is sum of all 4 sides:
2l + 2w = 32

2(3w) + 2w =32
6w+ 2w= 32
8w = 32
w= 4

l= 3*4
l = 12

A= l*w
A= 4*12
A= 48

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