The radius of a solid hemisphere is 7 cm. Find its total curved surface area. ( take = 22/7).
Answers
Answered by
7
Answer:
308 cm²
Step-by-step explanation:
Given,
Radius ( r ) = 7 cm
To find : CSA ( Hemisphere ) = ?
Formula : -
CSA ( Hemisphere ) = 2πr²
= 2 × ( 22 / 7 ) × 7²
= ( 2 × 22 × 7² ) / 7
= ( 2 × 22 × 7 × 7 ) / 7
= 2 × 22 × 7
CSA ( Hemisphere ) = 308 cm²
Answered by
2
Answer:
308cm^2
Step-by-step explanation:
curves surface area of hemisphere(CSA)
CSA=2πr^2
=2×22/7×7×7
=308cm^2
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