In a triangle ABC, \[a:b:c=4:5:6\]. The ratio of the radius of the circumcircle to that of the incircle is [IIT 1996]

In a triangle ABC, \[a:b:c=4:5:6\]. The ratio of the radius of the cir

1.	In a triangle ABC, \[a:b:c=4:5:6\]. The ratio of the radius of the circumcircle to that of the incircle is [IIT 1996]
A.	\[\frac{16}{9}\]
B.	\[\frac{16}{7}\]
C.	\[\frac{11}{7}\]
D.	\[\frac{7}{16}\]
Answer» C. \[\frac{11}{7}\]

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In a triangle ABC, \[a:b:c=4:5:6\]. The ratio of the radius of the circumcircle to that of the incircle is [IIT 1996]

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