Answer:
116º
Step-by-step explanation:
Because it is a parallelogram, ∠S=∠Q and∠R=∠P. So ∠S=∠Q=∠64. A parallelogram's angles add up to 180.
- So, 2(64)+2r=360
- Factor, 2(64+r)=360
- Divide, 64+r=180
- Subtract, r=116
Check your work
- 2(64+116)=360
- Add, 2(180)=360
- Multiply, 360=360
