Answer:
63945
Step-by-step explanation:
Answer:
50.27
Step-by-step explanation:
perimeter= length of arc + 2r= 14.28
length of arc= rx where x is the angle which is pi/2
radius =4
area= pi* r^2= 50.27
20% is the the probability of a person taking the servey
Answer:
I believe the answer is A.
Step-by-step explanation:
Hope this helps