How to find the surface area of a cone flipped upside down

The video tutorial explains how to calculate the surface area of a circle and a cone. It begins with an introduction to surface area, followed by a detailed explanation of calculating the base area using the formula πR^2. The tutorial then covers the lateral area of a cone using the formula πRL, where L is the slant height. A step-by-step example is provided to demonstrate the complete surface area calculation. The session concludes with a Q&A segment and information about test formats.

Explain the steps taken to arrive at the final surface area of the cone.

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What units are used for the surface area in the calculation?

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