If a football of diameter (d) 28cm is to be made then find how many leather will it need
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Leather required = Surface area of Sphere
= 4 (22/7) r
= 4 (22/7) 28/2
= 4 (22/7) 14
= 4 (22) 2
= 176 cm2
= 4 (22/7) r
= 4 (22/7) 28/2
= 4 (22/7) 14
= 4 (22) 2
= 176 cm2
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