Question

what is the diameter (in cm ) of a sphere whose surface area is 616 cm2​

Answer 1

Answer:

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Answer 2

Answer:

14cm

Step-by-step explanation:

To find diameter we have to find radius first,

Therefore,

Area of sphere = 4 x (pie) x r^2

616cm^2 = 4 x 3.14 x r^2

616cm^2 / 12.56 = r^2

r^2 = 49.04

Therefore,

r = 7.0031

In round figure

r = 7

Now,

Diameter = 2 x r

= 2 x 7

Therefore,

Diameter = 14cm

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