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WE:Education (Education)
Re: The length of a rectangle with area 12 is three times the re
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12 Feb 2021, 06:35
Area of rectangle = L x B = 12
Given, L = 3B
So, Area = (3B) x B = 12
\(3b^2\) = 12
\(b^2\) = 4
B = 2
Therefore, L = 6 and B = 2
Perimeter = 2 (L + B) = 2 x 8 = 16
Hence, option D