His the circumcenter of δace. triangle a c e has point h as its circumcenter. lines are drawn from the points of the triangle to point h. lines are drawn from point h to the sides of the triangle to form right angles. line segments h d, h f, and h b are formed. the length of a h is 2 x + 32 and the length of c h is 6 x. what is the length of line segment h a? 7 units 8 units 24 units 48 units