If the area of the rectangle is 486 cm^2. Find the perimeter

Question

asked Oct 18, 2023 21.1k views

1 Answer

Oliver Emberton · Answer 1 · 2023-10-23T09:02:47+0000

w = x

l = 6x

a = w*l

a = 6x*x = 486

6x^2 = 486

x^2 = 486/6

x^2 = 81

x=9 which is the width

the length will be 6*9=54

the perimeter will be 2L+2W

2*9 + 2*54

18+108

= 126 cm