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over.tuse t=22/716. How many spherical lead shots each 4.2cm in diameter can be obtained from a rectanlead with dimensions 66cm, 42cm, 21cm.(use Tt-22/7)gular(1500)solid of

Answer»

For sphereR = 4.2/2 = 2.1 cmLet the no. of spheres be x

For cuboidl = 66 cmb = 42 cmh = 21 cm

A/Q Volume of cuboid = volume of spheres x nlxbxh = 4/3πR³ x n66x42x21 = 4x22x2.1x2.1x2.1x n / 3x7n = 66x42x21x3x7 / 4x22x2.1x2.1x2.1n = 1500 spheres Ans.



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