In triangle PQR, I is the incenter of the triangle. If ∠QIR = 107°. What is the measure of ∠P?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 34°
∠QIR = 90° + (∠QPR/2)
⇒ 107° - 90° = ∠QPR/2
⇒ ∠QPR = 17 × 2 = 34°