Given data:
The given cube .
The expression for the volume of the sphere is,

Thus, the volume of the sphere is 261 cubic-m.
Cos=21/35
=0.6
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Answer:

Step-by-step explanation:
Given : The formula 
We have to rearrange the given formula for 
Consider the given formula 
Multiply both side by 2, we have,

Divide both side by
, we have,

Simplify, we get,

Thus,
It's not time to try and simplify it until you HAVE an equation. You won't have an equation until you write down what. V*4x is equal to.