作业帮如图,AB=AC,AD=AE.求证角B=角C.
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如图,AB=AC,AD=AE.求证角B=角C.
如图,AB=AC,AD=AE.求证角B=角C.
如图,AB=AC,AD=AE.求证角B=角C.
因为AB=AC AD=AE ∠A=∠A 所以三角形ABE∽三角形ACD 所以角B=角C
角A=角A, AB =AC, AD =AE 得出:三角形AEB ~三角形ADC ，所以角B =角C
如图,AB=AC,AD=AE.求证角B=角C.
如图,AB=AC,AD=AE,求证角B=角C
如图,AB=AC,AD=AE.求证角B=角C.
如图AB=AC,AD=AE,求证角B=角C
如图,AB=AC,AD=AE.求证:角B等于角C
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