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It has become obvious that the Shapes category was in way over its head with all sorts of geometrical problems. So, the hard-core Geometry problems will now reside here, where they will fit in much better.
Circle O has a radius of 3 units. Points A and B are inside the circle such that AO=1 unit, BO=2 unit, and angle AOB=60 degrees.

CDE is an isosceles triangle inscribed in circle O with CD=DE, point A on CD and point B on DE.

How long are the sides of CDE?
(No Solution Yet, 3 Comments) Submitted on 2019-03-18 by Brian Smith   
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