A) \[\frac{5\pi }{9}\]
B) \[\frac{2\pi }{9}\]
C) \[\frac{7\pi }{9}\]
D) \[\frac{11\pi }{9}\]
E) \[\frac{\pi }{9}\]
Correct Answer: A
Solution :
Let\[x,3x\]and\[5x\]are angles of triangle \[\therefore \] \[x+3x+5x=\pi \] \[\Rightarrow \] \[x=\frac{\pi }{9},\] so greatest angle \[=\frac{5\pi }{9}.\]You need to login to perform this action.
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