the length of a spherical ball is 18 cm how much leather is required to prepare 3 such balls
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radius = 18 cm
area of cloth required for 1 ball = 4*(22/7)*18*18
Therefore
Three balls required = 4*(22/7)*18*18*3 = 12219.43 cm square.....
area of cloth required for 1 ball = 4*(22/7)*18*18
Therefore
Three balls required = 4*(22/7)*18*18*3 = 12219.43 cm square.....
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