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प्रश्न
Find the surface area of a sphere of radius 10.5 cm.
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उत्तर
Given
radius = 10.5cm
Surface area = `4πr^2`
= 4 × `22/7 × (10.5)^2`
= 1386 cm2
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संबंधित प्रश्न
Find the surface area of a sphere of radius 10.5 cm.
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(Use π = `22/7`)
