Mathematics · Mensuration
The diameter of the base of a solid cone is 24 cm and its height is 21 cm. It is cut into three parts by two cuts which are parallel to its base. The cuts are at heights of 7 cm and 14 cm from the base, respectively. Find the curved surface area (in cm2) of the top part. (use π = 3.14)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 112.56√30
- 214.65√15
- 315.46√10
- 412.56√65✓
Correct answer
12.56√65
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