Answer:
9.42 or 3pi
Step-by-step explanation:
equation of a circle is 2*pi*r
2r is d which is 3 so the answer would be 3pi which equals about 9.42
Answer:

Step-by-step explanation:
Image
In order for it to be divisible by 5 AND be an even number, it must also be divisible by 2. So you are looking for two-digit numbers greater than 34 and divisible by 10:
C = {40, 50, 60, 70, 80, 90}