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Volume = area circular end × height = πR²H units³

Surface area = 2 × area of circular end + area of curved side

= 2πR² + 2πRH units²

= 2πR(R + H) units²

If lengths are changed by a scale factor of n, areas are changed by a scale factor of n² and volumes are changed by a scale factor of n³.

If the dimensions are tripled, the new volume is 3³πR²H units³ = 27πR²H units³

The new surface area is 3²×2πR(R + H) units² = 18πR(R + H) units²

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Q: When the volume and the surface area of a cylinder with radius R units and height H units. Now assume that the dimensions of the cylinder are tripled- In that case what would be the dimensions of the?
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