find the lateral surface area and the total surface area of the following cylinders whose radius is 21cm height is 45cm
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The height of cylinder is 7cm
The radius of cylinder is 5cm
The Curved surface area is
2πrh
2×722×5×7=220cm2
The total surface area is 2πrh+2πr2
220+2×722×25220+157.14285=377.14285cm2
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