Answer:
The lines are perpendicular.
B
The formula for circumference is

d, or Pi times diameter
Answer:
5 + 8y
Step-by-step explanation:
hope this helps, pls mark brainliest :D
Answer:
Choice D for Angle R
70 degrees for Angle P
Step-by-step explanation:
Google "central angles and inscribed angles geometry" for an explanation.
It's actually a poorly worded question.