Answer:
209.96
Step-by-step explanation:
we know that the circumference of the circle is equal to
C = 
we have

substitute would be

assume that 
64
Answer:
A
Step-by-step explanation:
1 1/2 × 3 = 4 1/2
.........
The list is long, but here goes:
10/12, 15/18, 20/24, 25/30, 30/36, ... and so on.