Question

Find the cost of building a fence around a square field with area 529m2 at the rate of Rs.40 per meter ?

A 3200 Correct Answer Incorrect Answer
B 3500 Correct Answer Incorrect Answer
C 3680 Correct Answer Incorrect Answer
D 3400 Correct Answer Incorrect Answer
E none of these Correct Answer Incorrect Answer

Solution

ATQ, Given - Area of square field   = 529   Side of square= √529   = 23m Perimeter = 23 x 4 =  92 Hence, Cost of building a fence around a square field will be = 92 x 40 = 3680

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