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| Sum of Two Angles (Posted on 2010-08-01) |
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Let D and E be points on sides AB and AC respectively of ΔABC.
Let the bisectors of /ABE and /ACD intersect in point F.
Prove that /BDC + /BEC = 2 /BFC.
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 | Solution | Harry | 2010-08-03 20:16:17 |
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