SOLUTION: Equation of a Circle 8. A farmer is building a circular corral to hold livestock. With distance measured in metres, the shape of the corral is modelled by the equation x^2+y^2=64

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Equation of a Circle 8. A farmer is building a circular corral to hold livestock. With distance measured in metres, the shape of the corral is modelled by the equation x^2+y^2=64      Log On


   

Question 189635: Equation of a Circle
8. A farmer is building a circular corral to hold livestock. With distance measured in metres, the shape of the corral is modelled by the equation x^2+y^2=64.
a) Find the length of fencing required for this corral.
b) Find the area of the corral.
Thank you very much!!!
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
this is a circle with a radius of 8m
:
b) A=%28pi%29%288%29%5E2
:
A=64%28pi%29
:
a) length of Fence would be the circumference which would be 2%28pi%29r
:
length of fence 16%28pi%29