a rectangular piece of land measures 0.7km by 0.5 km. Each side is to be fences with 4 rows of wire. Write a java progam to determine the length of the wire needed
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The perimeter of a rectangular piece of land = 2(Length + Breadth)
= 2(0.7+0.5)
= 2(1.2)
= 2.4 km
because 1km = 1000m∵1km = 1000m
therefore0.24\ = 1000 times 0.24=2400∴0.24 = 1000×0.24=2400 m.
Since 4 rows of wire
therefore2400 times =9600∴2400×4=9600 m.
therefore9600 m =9.6 km∴9600 m = 9.6 km
Hence, length of wire required is 9.6 km or 9600 m.
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