Answer:
search up-area of circle formula and circumference of a circle formula
Step-by-step explanation:
Answer:
I think #2
Step-by-step explanation:
Answer:
90
Step-by-step explanation:
circumference of total circle = 16 pi
16 pi / 4 pi = 4
1 / 4 =25%
1/4 * 360 = 90
Answer:
55
Step-by-step explanation:
CBZ+ZBA=CBA
x=6
9(6)+1=55