the volume of hemisphere is 2425 .5cm3 find csa

1.	the volume of hemisphere is 2425 .5cm3 find csa
Answer» Volume of hemisphere = 2425.5 cu cm.Volume of hemisphere = 2/3πr³2425.5 = 2/3 × 22/7× r³r³ = (2425.5 × 21)/44r³ = 50935.5/44r³ = 1157.625r = 10.5 cmNow,Curved Surface Area of hemisphere = 2πr²= 2×22/7×10.5×10.5= 693 sq cmCSA of hemisphere is 693 sq cm.\xa0

Discussion