你可能感兴趣的试题
若AB∥CD,AB=CD,则四边形ABCD是平行四边形; 若AC⊥BD,AC=BD,则四边形ABCD是矩形; 若AC⊥BD,AB=AD,CB=CD则四边形ABCD是菱形; 若AB=BC=CD=AD,则四边形ABCD是正方形;
AB∥DC,AD=BC AB∥DC,AD∥BC AB=DC,AD=BC OA=OC,OB=OD
AB∥CD,AD=BC ∠A.=∠ ,∠B.=∠DC.AB∥CD,AD∥BC AB=CD,AD=BC
若AB∥CD,AB=CD,则四边形ABCD是平行四边形 若AC⊥BD,AC=BD,则四边形ABCD是矩形 若AC⊥BD,AB=AD,CB=CD则四边形ABCD是菱形 若AB=BC=CD=AD,则四边形ABCD是正方形
AB∥CD,AD = BC; ∠B. = ∠ ;∠A. = ∠ , C.AB =CD,CB = AD;D.AB = AD,CD = BC
AB∥CD,AD=BC AB=AD,CB=CD AB=CD,AD=BC ∠B=∠C,∠A=∠D
∠A.=∠ ,∠ =∠DB.AB=AD,CB=CDC.AB=CD,AD=BC AB∥CD,AD=BC
AB∥CD,AD=BC ∠B=∠C;∠A=∠D AB=AD,CB=CD AB=CD,AD=BC
AB∥CD,AD∥BC OA=OC,OB=OD AD=BC,AB∥CD AB=CD,AD=BC
AB//CD,AD=BC ∠A.=∠B.,∠ =∠ C.AB=AD,CB=CDD.AB=CD,AD=BC