In an isosceles triangle PQR, ∠P = 130°. If I is the in - centre of the triangle, then what is the value (in degrees) of ∠QIR?

In an isosceles triangle PQR, ∠P = 130°. If I is the in - centre of

1.	In an isosceles triangle PQR, ∠P = 130°. If I is the in - centre of the triangle, then what is the value (in degrees) of ∠QIR?
A.	130
B.	120
C.	155
D.	165
Answer» D. 165

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In an isosceles triangle PQR, ∠P = 130°. If I is the in - centre of the triangle, then what is the value (in degrees) of ∠QIR?

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