What will be the cost of building a fence around a circular plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58? Pick one
A) rs . 3944
B) rs . 3495.28
C) rs . 3988
D) rs . 3949
E) rs . 3923

Rationale: let the side of the circular plot be a ft . pi * ( r ) ^ 2 = 289 = > r = 9.59 length of the fence = perimeter of the plot = 2 * pi * r = 60.26 ft . cost of building the fence = 60.26 * 58 = rs . 3495.28 answer : b
Answer: B