a rectangular piece of land measures 7km by 5km each side is to be fenced with 2 row of wires what is the length of wire needed
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Answered by
0
Answer:
Total perimeter = 2(l+b)
= 2(0.7 + 0.5)
= 2*1.2= 2.4 km
Since 4 rows is fenced at each side,
Total length of the wire needed
= 4*2.4= 9.6 km
Answered by
1
Answer:
9.6 km or 9600m
Step-by-step explanation:
The perimeter of a rectangular piece of land = 2(Length + Breadth)
= 2(0.7+0.5)
= 2(1.2)
= 2.4 km
because1km =1000m∵1km = 1000m
therefore0.24 = 1000times0.24=2400∴0.24 = 1000×0.24=2400 m.
Since 4 rows of wire is required.
\therefore2400times4=9600∴2400×4=9600 m.
\therefore9600 m =9.6 km∴9600 m = 9.6 km
Therefore, length of wire required is 9.6 km or 9600 m.
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