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CAT Exam Model Paper 2 with solutions for free online practice

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Question : 72

Total: 100

In an equilateral triangle 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 the circle is 3π cm‌2. What is the perimeter of triangles (△) ABC?

12√3 cm
18 cm
6√3 cm
None of these

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