Question

Find the perimeter and area of a rectangular piece of land measuring 12-m
5 m. How much area of the land is left unused if 4 small square flower beds of
side length 1 m are made at the centre?
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Answer 1

perimeter=2×(l+b)

=2×(12+5)=2×17=34m

area of land=l×b=12×5=60m^2

area of 4 small flower bed=4×1^2=4m^2

area of land left =60-4=56m^2

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