1 Answer

Sudhakar · Answer 1 · 2023-12-09T18:38:03+0000

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Given :

$\\$

To find:

$\\$

$\\$

Solution:-

$\\$

We know:-

$\rm circumference = 2\pi r$

$\\ \\$

So:-

$\looparrowright \sf circumference = 2\pi r$

$\\$

$\looparrowright \sf 29.8= 2\pi r$

$\\$

$\looparrowright \sf 29.8= 2 * (22)/(7) * r$

$\\$

$\looparrowright \sf (298 *7)/(22 * 2 * 10) = r$

$\\ \\$

$\looparrowright \sf (149 *7)/(22 * 10) = r$

$\\ \\$

$\looparrowright \sf (1043)/(220) = r$

$\\$

$\looparrowright \sf r = 4.74$

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