The question
Suppose R is a closed region in the plane bounded by a closed non-self-intersecting, piecewise smooth plane curve . Prove that the area of R is given by
I'm unsure of how to solve this. Could someone guide me? Thanks.
The question
Suppose R is a closed region in the plane bounded by a closed non-self-intersecting, piecewise smooth plane curve . Prove that the area of R is given by
I'm unsure of how to solve this. Could someone guide me? Thanks.