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Total Surface Area of a Right Circular Cylinder

Which part of...

Question

Which part of the formula $S = 2 {πr}^{2} + 2 πrh$ represents the lateral surface area of a cylinder? the areas of the bases?

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Solution

Step 1: Lateral surface area of the cylinder $= 2 πrh$
The area of the bases of cylinder $= 2 {πr}^{2}$
Final answer: Lateral surface area of the cylinder $= 2 πrh$
The area of the bases of cylinder $= 2 {πr}^{2}$

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Q. The ratio of the total surface area to the lateral surface area of a cylinder of base radius r and height h is __________.

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