Question

Find the value of x

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Answer 1

Answer:
`x=5\sqrt{(22)/(7\pi)}`

Explanation:

`2\pi (x^2 +2x^2)=471 (3)/(7)\\\\3x^2 =(1650)/(7\pi)\\\\x^2 =(1650)/(21\pi)\\\\x=\sqrt{(1650)/(21\pi)}\\\\x=5\sqrt{(22)/(7\pi)}`