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No. of plates=450 plates Ans._Эт80Example 12. If the total surface area of a solid hemisphere is 462 cm', find[CBSE 2me.162 m |
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Answer» TSA OF A HEMISPHERE = 3πr²3πr²=4623×22/7×r²=46266/7r²=462r²=462×7/66r²=49r=√49=7 volume of hemisphere = 2/3πr³2/3×22/7×7×7×7= 718.6cm³ |
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