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Tuesday, 3 September 2013
Circle - Cyclic Quadrilateral
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Circle
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source:
http://www.artofproblemsolving.com/
A
cyclic quadrilateral
is a
quadrilateral
that can be inscribed in a
circle
. They have a number of interesting properties.
Properties
In cyclic quadrilateral
:
Applicable Theorems/Formulae
The following theorems and formulae apply to cyclic quadrilaterals:
Ptolemy's Theorem
Brahmagupta's formula
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