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Find the total surface area of a cone, i...

Find the total surface area of a cone, if its slant height is `21 m` and diameter of its base is `24 m.`

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To find the total surface area of a cone, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the given values**: - Slant height (L) = 21 m - Diameter of the base = 24 m ...
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