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Find the total surface area of a hemisphere of radius 10 cm. [Use π=3.14] Q.3

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Give me the best way for solving the question of class 9th of Surface areas and Volumes of exercise 13.4     of math. Give me the easiest way for solving this question in simple way of question no.3 Find the total surface area of a hemisphere of radius 10 cm. [Use π=3.14]

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  1. Radius of hemisphere, r = 10cm

    Formula: Total surface area of hemisphere = 3πr2

    = 3×3.14×102 = 942

    The total surface area of given hemisphere is 942 cm2.

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