Question

The length of radius of solid spherical ball is 2.1 cm; let us write by calculating how much
cubic om iron is there and let us find the curved surface area of the iron ball.
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Answer 1

Step-by-step explanation:

Given,

radius=2.1 cm

We know that,

C.S.A= 4πr²

=4×3.14×2.1²

=12.56×2.1²

=53.38.

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