Class object question

[kraigballa]

I've been looking around and a lot of places talk about the area and perimeter of the intersection. In this program I have to find those for each circle? Is there a formula that uses the area and or the perimeter to check for overlap?

[ne555]

Your formula is incorrect. And the excess of temporaries makes your code confusing.
D < R + r -> overlap
D² < (R + r)²

Maybe there is an easier way, but check http://en.wikipedia.org/wiki/Circular_sector
To find the angle use you could use c² = a² + b² - 2*a*b* cos( ab )
You will need to treat different if the centre is inside.