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Miquel's Pentagram Theorem
Extend the sides of a pentagon to form five triangles, one on each side of the pentagon. Then the five points of intersection of neighboring pairs of circumcircles that are not on the pentagon lie on a circle.
Contributed by:
Jay Warendorff
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Concyclic
(
Wolfram
MathWorld
)
Miquel's Pentagram Theorem
(
Wolfram
MathWorld
)
Miquel Five Circles Theorem
(
Wolfram
MathWorld
)
Pentagon
(
Wolfram
MathWorld
)
Pentagram
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Miquel's Pentagram Theorem
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/MiquelsPentagramTheorem/
Contributed by:
Jay Warendorff
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