A RECTANGLE PIECE OF PLOT IS 0.4 KM LONG AND 0.3M KM WIDE . EACH SIDE NEEDS TO BE FENCED BY 3 ROUND OF WIRES. WHAT IS THE LENGTH OF WIRE NEEDED
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Perimeter = 2 × (l + b)
= 2 × (0.4 + 0.3)
= 2 × 0.7
= 1.4 km
It has to be fenced 3 times = 1.4 × 3 = 4.2km
Answer - 4.2km
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