Given an equilateral triangle with sidea. Three congruent circles are constructed that are tangent to each other and tangent to the sides of the triangle. Find the radiusrof the circle in terms ofa.

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- Nov 1st 2010, 05:43 PMMATNTRNGEquilateral Triangle
Given an equilateral triangle with side

*a*. Three congruent circles are constructed that are tangent to each other and tangent to the sides of the triangle. Find the radius*r*of the circle in terms of*a*.

- Nov 1st 2010, 06:51 PMVeronica1999
Pls find attached work.