perplexus.info :: Geometry : Length of Angle Bisector

Length of Angle Bisector (Posted on 2010-11-07)

In the below diagram, various segment lengths in rectangle ABCD have been marked and segment EG bisects angle DEF. What is the length of segment EG?

See The Solution Submitted by Charlie

Rating: 2.0000 (2 votes)

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Trig. Solution

| Comment 2 of 3 |

              20
 x = --------------------- ~= 23.3238      
      cos(arctan[15/8]/2)

Posted by Bractals on 2010-11-07 22:21:55

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