As in the figure, are tangency to both and with the point of tangency to them and are on . Show that is the incentre of
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I can prove that if then we are done. But how to show that these two angles are actually equal?
Last edited by elim; January 18th 2011 at 10:56 PM.
Last edited by elim; January 22nd 2011 at 07:53 AM.
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About LinkBacksare tangency to both
and
with
the point of tangency to them and
are on
. Show that
