1.

(i) Find the height of a cylinder whose radius is 7cm and the total surface area is 968 cm2

Answer»

TSA of cylinder=2pie r (r+h)TSA=968

2*22/7*7(7+h)=9682*22(7+h)=968

(7+h)=968/447+h=22h=22-7=15 cm

HEIGHT OF CYLINDER=15CM



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