Question

if the volume and total surface area are numerically equal , find the diameter of the sphere ​

Answer 1

Step-by-step explanation:

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Let r be the radius of the sphere.

and Volume of a sphere = surface area of the sphere

⇒ 4 / 3πr3 = 4πr2

⇒ r = 3 cm

∴ Diameter of the sphere = 2r = 2 × 3 = 6 cm

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