题文
如图,在△ABC中,AB=AC,AE=BE,∠BAE=40°,且AE=AF,则∠FEC等于 ( )
| A.10° | B.15° | C.20° | D.25° |
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如图,在△ABC中,AB=AC,AE=BE,∠BAE=40°,且AE=AF,则∠FEC等于 ( )
| A.10° | B.15° | C.20° | D.25° |
试题篮
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