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The volume of the sphere is 38,808 cm3. What is the surface area of the sphere ? |
4455 cm2 4433 cm2 5544 cm2 3344 cm2 |
5544 cm2 |
We know that, The volume of Sphere = \(\frac{4}{3}\)πr3 The total surface area of sphere = 4πr2 We have, The volume of the sphere = 38808 cm3 = \(\frac{4}{3}\)πr3= 38808 = \(\frac{4}{3}\) × \(\frac{22}{7}\)× r3 = 38808 = r3 = 38808 × \(\frac{7}{22}\)× \(\frac{3}{4}\) = r3 = 9261 = r = 21 Now, The total surface area of sphere = 4πr2 = 4 × \(\frac{22}{7}\)× 21 × 21 = The surface area of the sphere = 5544 cm2 |