A circle is drawn in a sector of a larger circle of radius r as shown in figure. The smaller circle is tangent to the tw

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Q 3061178025.     A circle is drawn in a sector of a larger circle of radius r as shown in figure. The smaller circle is tangent to the two bounding radii and the arc of the sector. The radius of the small circle is
A

`\frac{r}{2}`

B

`\frac{r}{3}`

C

`\frac{2\sqrt{3r}}{5}`

D

`\frac{r}{\sqrt{2}}`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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