Area = [(a)(pi•r^2)]/360
1. set up a proportion
a/360 (# of ° in circle) = area of circle/ (pi•r^2)
2. cross multiply
360area of circle = (a•pi•r^2)
3. divide
Hello!
This submarine rose 100 feet (+100) and then descended (-100). Usually in an equation this would cancel out and make 0. Therefore, our answer is 0.
I hope this helps!
