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CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B.=∠D.=90°
CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B.=∠D.=90°
∠A.=∠C. AD=CB BE=DF AD∥BC
CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B.=∠D.=90°
CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B.=∠D.=90°
CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B.=∠D.=90°
CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B.=∠D.=90°
CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B.=∠D.=900
AC=AD BC=BD ∠C.=∠D ∠ABC=∠ABD
CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B.=∠D.=90°
CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B=∠D=90°
AB=AD ∠BCA=∠DCA CB=CD ∠ADC=∠ABC
∠ =∠D.=90°B.∠BCA=∠DCA ∠BAC=∠DAC CB=CD
CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B=∠D=90°
CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B.=∠D.=90°
∠A=∠C AD=CB BE=DF AD∥BC
CB=CD ∠BAC=∠DAC ∠BCA=∠DCA ∠B=∠D=90°
CB=CD ∠BCA=∠DCA ∠BAC=∠DAC ∠B.=∠D.=90°