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Is this circular billiards? (Posted on 2019-03-18) Difficulty: 3 of 5
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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Comments: ( Back to comment list | You must be logged in to post comments.)
re(2): Geometer's Sketchpad approximation | Comment 3 of 4 |
(In reply to re: Geometer's Sketchpad approximation by Jer)

Indeed.  I've made a picture here.
  Posted by Charlie on 2019-03-18 19:49:15

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