6. Let one angle of a triangle be 60°, t...

6. Let one angle of a triangle be 60°, the area of triangle is 10/3 and perimeter is 20 cm. Ifa>b> c where a, b and e denote lengths of sides opposite to vertices A, B and C respectively, then which of the following is (are) correct? (A) Inradius of triangle is 3 (C 下 (B) Length of longest side of triangle is 7 ) Circum radius oftriangle is (D) Radius of largest escribed circle is 12

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