Question

the diameter of sphere is 10cm. The curved curved surface area of corresponding hemisphere is

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Answer 1

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Gɪᴠᴇɴ ʀᴀᴅɪᴜs ᴏғ ʜᴇᴍɪsᴘʜᴇʀᴇ=10ᴄᴍ.

ᴛᴏᴛᴀʟ sᴜʀғᴀᴄᴇ ᴀʀᴇᴀ ʜᴇᴍɪsʜᴇʀᴇ=2πr²+πr²

TSA ᴏғ ʜᴇᴍɪsᴘʜᴇʀᴇ=3πr³ ᴛsᴀ=3×3.14×(10)*2=942cm²

Answer 2

Gɪᴠᴇɴ ʀᴀᴅɪᴜs ᴏғ ʜᴇᴍɪsᴘʜᴇʀᴇ=10ᴄᴍ.

ᴛᴏᴛᴀʟ sᴜʀғᴀᴄᴇ ᴀʀᴇᴀ ʜᴇᴍɪsʜᴇʀᴇ=2πr²+πr²

TSA ᴏғ ʜᴇᴍɪsᴘʜᴇʀᴇ=3πr³ ᴛsᴀ=3×3.14×(10)*2=942cm²

hope it helps you