Surface Area of Cylinders Practice

Question

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Question
What is the formula for the total surface area of a cylinder?

Answer 1

The formula for the total surface area \( A \) of a cylinder is given by:

\[ A = 2\pi r^2 + 2\pi rh \]

Where:

• \( r \) is the radius of the base of the cylinder,
• \( h \) is the height of the cylinder.

The first part of the formula, \( 2\pi r^2 \), calculates the area of the two circular bases, while the second part, \( 2\pi rh \), calculates the area of the curved surface (lateral surface area).