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प्रश्न
Find the total surface area and volume of a hemisphere whose radius is 10 cm.
बेरीज
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उत्तर
Radius = 10 cm
Total surface area = `3pir^2`
= `3 xx 22/7 xx 10 xx 10` cm2
= 942.86 cm2
Volume of hemisphere = `2/3pir^3`
= `2/3 xx 3.14 xx 10 xx 10 xx 10 "cm"^3`
= 2093.3 cm3
Total surface area = 942.86 cm2 and volume = 2093.3 cm3
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