Aptitude | Mensuration 2D | Question 3

The area of the rectangle is 2880 sq.m. The ratio of the sides is 5:4, the perimeter is:
(A) 216 m
(B) 206 m
(C) 180 m
(D) 160 m


Answer: (A)

Explanation: 5x * 4x = 2880
x2 = 144
x= 12
perimeter = 60*2+48*2 = 216


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