The area of a square field is 110.25m 2 . Find the cost of fencing
MATHEMATICS
WAEC 2007
The area of a square field is 110.25m2. Find the cost of fencing it round at N75.00 per metre
- A. N1,575.00
- B. N3,150.00
- C. N4,734.30
- D. N8,268.75
Correct Answer: B. N3,150.00
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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