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A rectangular swimming pool is 11.5 m long and 5 m wide.
How many metres of fencing are needed to enclose the pool
if you erect the fencing 2m from the edge? Show your calculations
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The length of the fence is 2+2 = 4 meters longer than the length of the pool,
so it is 11.5 + 4 = 15.5 meters.
The width of the fence is 2+2 = 4 meters longer than the width of the pool,
so it is 5 + 4 = 9 meters.
Now compute the perimeter of the rectangular fence 15.5 + 9 + 15.5 + 9 = 49 meters.
ANSWER. 49 meters of fencing is needed.
Solved.
