Use pi•r^2 for the formula of a circle. filling it in, you get 3.14•64 which is 200.96
21 students because if 6 represents 30% u add 6 two more time which equals 18 and 90% then u add 3 more because it is half of 6. when u add 3 more u will get 21 and 100%
Answer:
I dont know.. sorry.......
Answer:
5
Step-by-step explanation:
