(7) A rectangular piece of land measures 250 m by 220 m. Each side is to be fenced
with 3 rows of wires. What is the length of the wire needed?
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Answer:
2820 metres
Step-by-step explanation:
Perimeter = 250*220 = 2*(length+breadth) = 940 metres
3 rows = 940*3 = 2820 metres
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