What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58?	Choose the correct choice:
A) rs . 3944
B) rs . 3942
C) rs . 3987
D) rs . 3929
E) rs . 3938

Rationale: let the side of the square plot be a ft . a 2 = 289 = > a = 17 length of the fence = perimeter of the plot = 4 a = 68 ft . cost of building the fence = 68 * 58 = rs . 3944 . answer : a
Answer: A