✨ Best Answer ✨
△EBF∽△CDFなので
EF:CF=6:10=3:5
平行線と線分の比より
EG:GB=EF:FC
EG:GB=3:5
EGはEBの3/8
6×3/8=9/4
✨ Best Answer ✨
△EBF∽△CDFなので
EF:CF=6:10=3:5
平行線と線分の比より
EG:GB=EF:FC
EG:GB=3:5
EGはEBの3/8
6×3/8=9/4
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