CBSE Class 10 Answered
3D Figures- Volume
Asked by baidshryans | 02 Oct, 2008, 11:36: AM
Expert Answer
volume of the ball = 4/3 * pi * r3 = 792/7 , where r is the radius of the ball.
solving this we get r = 3cm
so surface area of the ball A = 4*pi*r2 = 792/7 cm2
so volume of the leather used = A*0.5 = 396/7 cm3
Answered by | 03 Oct, 2008, 03:44: AM
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