The sides of a triangle ABC are (x^(2) +...

The sides of a triangle ABC are `(x^(2) + x +1),(2x+1)` and `(x^(2)-1)`. Find the greatest angle of the triangle.

Text Solution

Verified by Experts

The correct Answer is:

`120^(@)`

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Knowledge Check

If the sides of the triangle ABC are p,q and sqrt(p^(2)+ pq+q^(2)), then the greatest angle of the triangle is-

A

`(pi)/(2)`

B

`(2pi)/(3)`

C

`(5pi)/(4)`

D

`(5pi)/(3)`

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