If the length of a rectangle is twice its width and the perimeter is 360m. Find the area,
(need the answer quickly)
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Given perimeter = 360m
Perimeter = 2(length+breadth)
360 metre = 2(x+2x)
360 metre = 2x+4x
360 metre = 6x
x= 360/6 = 60 metre
Hence,
Breadth = 60m
Length = 60×2 = 120m
Now area
= Length × breadth
= 120m×60m
= 7200 metre square
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