If the volume of a sphere is equal to its surface area. Find its diameter.
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Let radius = r
Now, volume of sphere = surface area
=> 4/3pi r³ = 4pi r²
=> 4/3r = 4
=> r = (3 x 4 )/4
=> r = 3
:. Diamerter = 6 cm
Now, volume of sphere = surface area
=> 4/3pi r³ = 4pi r²
=> 4/3r = 4
=> r = (3 x 4 )/4
=> r = 3
:. Diamerter = 6 cm
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