Answer:
25.63694268 = r
Step-by-step explanation:
The circumference is
C = 2*pi*r
161 = 2*(3.14) *r
161 = 6.28 r
Divide each side by 6.28
161/6.28 = r
25.63694268 = r
Answer:
66
Step-by-step explanation:
We can write the following equation to solve

Reduce
360 = 5x + 30
5x = 330
x = 66
1813 x

= 326.34
18% of 1813 people is 326.34 people
333 is a reasonable estimate.
Answer:
A=πr2
THIS IS THE ANSWER
PLEASE MARK BRAINLIEST!!!!!