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What would be the total surface area of one of such quarter sphere?

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A sphere of radius 49 cm is divided into 4 equal parts from center.
What would be the total surface area of one of such quarter sphere?

posted Dec 31, 2019 by Sidharth Malhotra

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1 Answer

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Each quarter shape will consist of curved shape (1/4 area of sphere- 4πr^2) and 2 flat shapes (each 1/2*πr^2), so total area = 1/4*4πr^2+ 2*1/2*πr^2= 2πr^2= 2*3.14*49^2 ≈ 15078 cm^2

answer Jan 1, 2020 by Hanifa Mammadov

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