Question

If area of the surface of a sphere is 4pie. Diameter is

Answer 1

As we know that :

Surface Area of sphere = 4πr²

Now, according to the question :

4πr² = 4π

=> r² = 1

=> r = 1

Radius (r) = 1 cm

Then, Diameter = 2×Radius

=> Diameter = 2×1 = 2 cm

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Answer 2

Answer:

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Step-by-step explanation:

4πr² = 4π

=> r² = 1

=> r = 1

r = 1 cm

Then, d = 2×r

=> D = 2×1 = 2 cm