Sum
Find the surface area and volume of sphere of the following radii.
3.5 cm
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Solution
Radius of the sphere, r = 3.5 cm
Surface area of the sphere = 4 πr2 = 4 × 3.14 × (3.5 cm)2 = 153.86 cm2
Volume of the sphere = `4/3`πr3 = `4/3` x 3.14 x (3.5 cm)3 = 179.50 cm3
Concept: Surface Area of a Sphere
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