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in an equilateral traingle abc, ao.bo and co are the angle bisectors meet at the incentre o. d,e and f are the mid points of ao,bo and co respectively. a circle with centre o passes through d,e and f. area of circle is 3pie cm^2. what is the perimeter of abc?

in an equilateral traingle abc, ao.bo and co are the angle bisectors meet at the incentre o. d,e and f are the mid points of ao,bo and co respectively. a circle with centre o passes through d,e and f. area of circle is 3pie cm^2. what is the perimeter of abc?

Grade:11

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
6 years ago
Side of the equilateral triangle is 6 .And hence its perimeter is going to be 18 cm

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