A rectangular piece of land measures 0.8 know by 0.9km.each side is to be fenced with 5 rows of wires. What is the length of the wire needed?
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Answer:
13 km
Step-by-step explanation:
total length of the wire
=perimeter of the rectangle×5
=2(length+breadth)×5
=2(0.9+0.4)×5
=2×1.3×5
=2.6×5
=13.0
=13 km
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