A hexagon with sides of length 2, 7, 2, 11, 7, 11 is inscribed in a circle. Find the radius of the circle.

*As suggested, *if* it matters, you may assume that the sides listed are given in order*

(In reply to

How Simple is it? by Anthony)

I also hate to point out the obvious.

inscribed (from http://www.dictionary.com):

*Mathematics.* To draw (one figure) within another figure so that every vertex of the enclosed figure touches the outer figure.

inscribed (from

http://www.m-w.com):

to draw within a figure so as to touch in as many places as possible <a regular polygon *inscribed *in a circle>