如图,已知AB∥CD,E是AB上一点,DE平分∠BEC交CD于D,∠BEC=100°,则∠D的度数是( )
如图,在△ABC中,AB=8,AC=6,AD=12,点D在BC的延长线上,且△ACD∽△BAD,求BD的长.
of us has to have our temperature taken when we get in school every morning.