# Solution - Surface Area of a Sphere

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ConceptSurface Area of a Sphere

#### Question

Find the surface area of a sphere of diameter 21 cm

["Assume "pi=22/7]

#### Solution

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A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5 cm. Find the outer curved surface area of the bowl.

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Solution for concept: Surface Area of a Sphere. For the course 8th-10th CBSE
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