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 Class 7 Mathematics Length, Perimeter and Area: Perimeter and Circumference

A rectangular plot of land measures 40m by 30. There is a wall on one of the longer sides. Four strands of wire are used to fence the remaining sides of the plot. What is the length of wire is required?
A. 4800 m
B. 560 m
C. 400 m
D. 100 m

 (2m 13s)
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