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A right cylinder has a base area of 169π cm2. Its height is half the radius. Identify the lateral area and the surface area of the cylinder.

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Answer:

Circumference of the base =2πr=16π cm. Radius of cylinder =r16π2π=8 cm ... Lateral Surface area =LSA=2πrh=16π⋅4=64π≈201.1 cm2.

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