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The excenter opposite vertex A lies on which bisectors?
AInternal at B and C, only
BInternal at A, external at B, C
CExternal at A, B and C
DExternal at A, internal at B, C
Answer & Solution
Correct answer: B. Internal at A, external at B, C
The excenter opposite A is where the internal bisector of angle A meets the external bisectors of angles B and C.
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