Make lots of triangles? Connect each adjacent intersection of the circle and the pentagon to create five triangles. Then, add in the radii to each of those intersection points. Among all of those triangles, maybe you can figure it out.
Make lots of triangles? Connect each adjacent intersection of the circle and the pentagon to create five triangles. Then, add in the radii to each of those intersection points. Among all of those triangles, maybe you can figure it out.