Question

* curved surface area of a solid hemispherical wooden blocks is 122cm find its total surface area​

Answer 1

Answer:

183  cm²

Step-by-step explanation:

CSA of Hemisphere = 2πr²

122 = 2 x 3.14 x r²

122 ÷ 6.28 = r²

19.4267515924 = r²

TSA of Hemisphere = 3πr²

= 3 × 3.14 × 19.4267515924

= 183  cm²

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