Question

ғᴏʀᴍᴜʟᴀ ᴏғ ᴄsᴀ ᴏғ ʜᴇᴍɪsᴘʜᴇʀᴇ​

Answer 1

Answer:

As a hemisphere is half a sphere, the area of its curved surface is half of the surface area of a sphere.

For a sphere of radius r , the surface area is:

43πr2

The area of the curved surface of a hemisphere is thus:

23πr2

Answer 2

Answer:

CSA OF HEMISPHERE = 2Πr^2

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