Mathematics · Mensuration
What is the total surface area of a cone whose radius is r4 and slant height is 4l?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 18πr(l + r)
- 2πr(l + r16)✓
- 3πr(l + r4)
- 44πr(l + r)
Correct answer
πr(l + r16)
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