jayballin jayballin

22-02-2017
Mathematics

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Find the surface area of a smooth golf ball with the minimum diameter allowed by the United States golf association

Using theses numbers 1.680,3.14

Respuesta :

Аноним Аноним

22-02-2017

surface area o fthe ball = 4 * 3.14 * radius^2

if diameter = 1.680 then radius = 1/2 * 1.680 = 0.84

so surface area = 4 * 3.14 * 0.84^2 = 8.862

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