perplexus.info :: Geometry : Is this circular billiards?

Is this circular billiards? (Posted on 2019-03-18)

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 Submitted by Brian Smith

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Subject	Author	Date
Yes	armando	2019-03-21 10:11:38
re(2): Geometer's Sketchpad approximation	Charlie	2019-03-18 19:49:15
re: Geometer's Sketchpad approximation	Jer	2019-03-18 18:29:58
Geometer's Sketchpad approximation	Charlie	2019-03-18 17:09:09

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