# Area of the central circle triangle

- Author:
- mathman628

A central circle triangle is a triangle in a circle where the one of the points is the center of the circle it’s in.
A=(n*(sqrt(4r^2-n^2)))/2 where n is the distance between the points of the triangle that are not the center of the circle and r is the radius of the circle.

What is the area when r=2 and n=5