Posted by Brianne on Thursday, May 12, 2011 at 3:19pm.
Triangle ABC is circumscribed about circle O and D,E, and F are points of tangency. If AD= 5, EB= 5 and CF= 10, find the lengths of the sides of the triangle and show that the triangle is isosceles

Math  Anonymous, Tuesday, May 28, 2013 at 2:48pm
shown that B'=90 degrees