WAEC - Mathematics (2007 - No. 32)

The area of a square field is 110.25m2. Find the cost of fencing it round at N75.00 per metre
N1,575.00
N3,150.00
N4,734.30
N8,268.75

Explanation

Area = 110.252

f2 = 110.25(square)

l = \(\sqrt{110.25}\) = 10.5m

Since N75.00 per metre

N75.00 = 1 metre; x = 10.5m

x = 787.5 for one side, then four sides = N787.5 x 4

= N3,150.00

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