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The radius of the circle touching incircle of an equilateral triangle of circumradius 6 unit, externally and its two sides, is r, value of

The radius of the circle touching incircle of an equilateral triangle of circumradius 6 unit, externally and its two sides, is r, value of (r), [ ] represent GIF Backspace 7 8 9 4 5 6 1 23

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