Answer:
B. r=8
Step-by-step explanation:
r=c/2pi
We are given c = 16 pi
r = 16pi / 2pi
The pi on the top and bottom cancel
r = 16/2
r =8
Answer:
is B and E. They both equal 81
Answer:
150 degrees
Step-by-step explanation:
This image should help. (It was hard to explain, sorry about that ._.)
Answer:
1/5
Step-by-step explanation:
y = 12
12 = 1/5 x 60
12= 12
y = 9
9 = 1/5 x 45
9 = 9
and so on and it always results to one fifth