SSC CPO SI and ASI Model Paper 4

Question : 132 of 200

Marks: +1, -0

ABC is a triangle with ‘I’ as incenter. If angle ‘A’ is 60 degrees, then what is the measure of angle BIC?

Solution:

Since I is the incentre of triangleABC,

∴∠ BIC=90°+1/2∠ A

90°+1/2 (60° ) 120°

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