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Find the Curved Surface Area of a Sphere of Radius 1cm. (π = 3.14) - Geometry

Find the curved surface area of a sphere of radius 1cm. (π = 3.14)

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Solution

Curved surface area of sphere = 4πr2
                                            = 4 × 3.14 × 12 (`because`r = 1 cm)
                                            = 4 × 3.14 × 1
                                            = 4 × 3.14
                                            = 12.56 sq. cm

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