Answer:
Step-by-step explanation:
Any line will add up to 180 degrees. If you subtract the 165 degrees from 180 (total), you will get the x value.
180 - 165 = 15 degrees
if it has a diameter of 8, that means its radius is half that, or 4.
All of them?!?!
ill do a couple 1. 20% 12. 70% 26. 65% 17. 44%