关于Figure1Intheparallel的百科

• (Figure1)IntheparallelogramABCD,AD=2AB,apointMismid-poi...

• 问题详情：(Figure1)IntheparallelogramABCD,AD=2AB,apointMismid-pointofsegmentAD,CE⊥AB,if∠CEM=40°,thenthevalueof∠DMEit( ).   (A)150°   (B)140°   (C)135°   (D)130°【回答】如图,连接CM,作MN⊥EC于N.   ∵AB⊥CE ∴MN∥AB,且MN∥CD,从N为...
• 2021-07-0531828