Swati cuts out three equal semi-circular pieces from a sheet of paper. She then pastes them together to
form a design such that there is no overlap (as shown in the figure). What is the perimeter of the shape .
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perimetee of circle + perimeter of semicircle + diameter
=2πr+(1/2)2πr+2r
=2π(5) +π5 +2×5
= 15π+10
perimeter of the shape = 15π+10cm
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