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Find the perimeter and arca of theshape.,.given25 cm7 cm |
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Answer» There is a rectangle with length =25cm breadth is 7cmThere are 2 semicircles hence make it a single circle with diameter will be 7cm hence radius is 7/2=3.5cmhence perimeter =2πr+2*(l+b)=2*22/7*7/2+2*(25+7)=22+64=86cmhence area will be πr^2+l*b=22/7*7/2*7/2+(25*7)=11*7/2+175=77/2+175=77+350/2=427/2cm^2 |
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