2 cylinders of heights 20cm and 25 cm with same radii 14cm are placed one upon the other then tsa of new cylinder is
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TSA of new cylinder=CSA of 1cylinder+CSA of 2cylinder +2πr^2
TSA (new)=2πrh1+2πrh2+2πr^2
TSA(new)=2πr(h1+h2+r)
TSA (new)=2×22/7×14(20+25+14)
TSA (new)=88(59)
TSA (new)=5192cm^3
TSA (new)=2πrh1+2πrh2+2πr^2
TSA(new)=2πr(h1+h2+r)
TSA (new)=2×22/7×14(20+25+14)
TSA (new)=88(59)
TSA (new)=5192cm^3
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