In ΔPQR, I is the in-centre of the triangle. If ∠QIR = 107°, then what is the measure of ∠P?

In ΔPQR, I is the in-centre of the triangle. If ∠QIR = 107°, then

1.	In ΔPQR, I is the in-centre of the triangle. If ∠QIR = 107°, then what is the measure of ∠P?
A.	73°
B.	43°
C.	34°
D.	37°
Answer» D. 37°

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In ΔPQR, I is the in-centre of the triangle. If ∠QIR = 107°, then what is the measure of ∠P?

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