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Concylic Feet Part 1 (Posted on 2012-04-28) Difficulty: 3 of 5


If X is a point not on line YZ, then
the foot of the perpendicular from X
to YZ is the point X' on YZ such that
XX' ⊥ YZ.


If A, B, C, and D are distinct points
on a circle such that lines AB and CD
are not perpendicular, then the feet
of the perpendiculars from A and B to
to CD and the feet of the perpendiculars
from C and D to AB lie on a circle.

See The Solution Submitted by Bractals    
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  Subject Author Date
SolutionSolutionHarry2012-05-02 13:29:30
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