Answer:
907.46
Step-by-step explanation:
We know the area of a circle is:

Answer:
31.67
Step-by-step explanation:
12 2/3 X 2 1/2
we begin by converting this into improper fractions,
= 38/3 * 5/2
= 95/3
= 31.67
12 +4m = 24
4m = 12
m = 12/4
m = 3 so choice C. is right sure
9.This is because it goes through the whole circle passing through the centre point. at the full width
The rest are pretty easy. I'm sure you can manage. Good luck!