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14. A cylinder has a diameter of 12 inches and aheight of 3 inches. What is its surface area?

Answer»

Formula: sa of cylinder=2pi r h+2 pi r^2Given:Radius =12/2=6 inchesHeight=3 inchesSolution:SA=( 2*3.14*6*3)+(2*3.14*6*6)=113.04+226.08=339.12Therefore surface area of cylinder=339.12 inches square



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