why surface area of sphere is 4pi r2
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☞heya mate☜
⚫ 4πr² - surface area of sphere
☃️ hope this helps uh ☃️
⚫ 4πr² - surface area of sphere
☃️ hope this helps uh ☃️
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The volume of the solid sphere of radius R is then ∫ 0 R 4 π r 2 d r = 4 3 π R 3 . Because the volume of a sphere is the integral of its surface area. The integral of a function is equal to (n/n+1)x^n+1. This is also the reason why the circumference of a circle is 2*pi*r and the area is pi*r^2.
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