Maths-
General
Easy

Question

In an equilateral triangle, the in-radius, circum-radius and one of the ex- radii are in the ratio-

  1. 2 : 3 : 5  
  2. 1 : 2 : 3  
  3. 1 : 3 : 7  
  4. 3 : 7 : 9  

The correct answer is: 1 : 2 : 3

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