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Total surface area of a solid hemisphere is 462cm2 find its volume

Posted by Shruti Chintawar 6 years, 10 months ago

CBSE > Class 10 > Mathematics

1 answers

Gaurav Seth 6 years, 10 months ago

TSA OF A HEMISPHERE = 3πr²
3πr²=462
3×22/7×r²=462
66/7r²=462
r²=462×7/66
r²=49
r=√49=7

volume of hemisphere = 2/3πr³
2/3×22/7×7×7×7=

718.6cm³

2Thank You

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