TOPIC : SOLID GEOMETRY :
TOPIC : SOLID GEOMETRY = ½ Volume of hemisphere Volume of solid Volume of cone + = ( 1
3 X 115.5 h + 2425.5 ) = 4 042.5 cm3 21cm 21cm = 1
3 πr2h + 1
2 πr3 4
3 X 4042.5 = [ 22
7 X 21
2 2 X h ] + [ 1
2 X 4
3 22
7 X X 21
2 ) ( 3 ] 4042.5 h 14 cm h