JEE Main 2022 Mathematics question
Not in JEE syllabus
Let a, b and c be the length of sides of a triangle ABC such that (a + b)/7 = (b + c)/8 = (c + a)/9. If r and R are the radius of incircle and radius of circumcircle of the triangle ABC, respectively, then the value of R/r is equal to :
Answer: (1)
Solution
Let (a + b)/7 = (b + c)/8 = (c + a)/9 = . Adding, , so , , (a right triangle). Then , $Δ =
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account