Question

Find the radius of a sphere whose curved surface is 64π cm^2.

Answer 1

your answer is here .

Answer 2

The radius of a sphere is 4 cm

Step-by-step explanation:

Curved surface area of sphere = $4 \pi r^2$

We are given that curved surface is $64 \pi cm^2.$

So, $4 \pi r^2 = 64 \pi$

$4r^2 = 64$

$r^2 = \frac{64}{4}$

$r^2=16$

$r=\sqrt{16}$

r=4

Hence the radius of a sphere is 4 cm

#Learn more:

Find the curved surface area of solid sphere whose radius is 7cm ​

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