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Class 10 Mathematics Medium Mcq English Medium

Cone and hemisphere share radius 3 cm; cone height is 4 cm. Find exposed area expression.

Question
Cone and hemisphere share radius 3 cm; cone height is 4 cm. Find exposed area expression.
p(15+18) cm2
p(15+9) cm2
p(24+18) cm2
p(15+27) cm2
Answer
p(15+18) cm2
Detailed Explanation
The exposed area is cone CSA plus hemisphere CSA: prl + 2pr² = p(15+18) cm2. — Examisthan.com
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