Answer:
∠K RQ = 115
Step-by-step explanation:
1st step is to get the internal ∠R
- R + P + Q = 180
- R + 50 + 30 = 180
- R = 180 - 50 - 30
- R = 100
to get the angle ∠K RQ (same as step 1)
- K + R + Q = 180
- K + (100/2) + 15 = 180
- K = 180 - 50 - 15
- K = 115
therefore, the angle ∠K RQ = 115
