Split
into two component segments,
and
, parameterized by


respectively, with
, where
.
We have


where 
so the line integral becomes



16/21 is your answer
You can take a 2 out of both numbers to get your answer
I hope this helped! :)
Answer:
Radius= 8.86 m
Step-by-step explanation:
Pie x r^2 x 0.7= 172.48
Pie x r^2= 246.4
r^2= 78.43
R= square root of 78.43
Radius= 8.86m
The answer would be 30 if u use the gcf
Just copy this down. you welcome