Lateral area of right circular cone is _______?
- πrℓ
- πr(r + l)
- πr^2
- None of these
Explanation
The lateral surface area of a right circular cone is given by the formula: πrℓ, where r is the radius and ℓ is the slant height.
This excludes the base area; the total surface area would be πr(r + ℓ).
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- None of these
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- 50°
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- None of these