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In a triangle ABC a:b:c=4:5:6.Find the ratio of the circumcircle to the incircle?

In a triangle ABC a:b:c=4:5:6.Find the ratio of the circumcircle to the incircle?

Grade:11

2 Answers

Vijay Mukati
askIITians Faculty 2590 Points
5 years ago
Dear Student,

Since we know that, Area of triangle =abc/4R = rs,
From here R/r = 4sR2/abc,
Assume, a = 4x, b = 5x and c = 6x. Substitude this values in the above realation and Use the formula for R in terms of abc and find the ratio.

Thanks.
siva prasad reddy
45 Points
5 years ago
/abc,Assume, a = 4x, b = 5x and c = 6x. Substitude this values in the above realation and Use the formula for R in terms of abc and find the ratio.Thanks. 2Since we know that, Area of triangle =abc/4R = rs,From here R/r = 4sR

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