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如图,BD是正方形ABCD的对角线,BC=2,边BC在其所在的直线上平移,将通过平移得到的线段记为PQ,连接PA、QD,并过点Q作QO⊥BD,垂足为O,连接OA、OP. (1)请直接写出线段BC在...
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四边形ABCD的对角线AC.BD相交于点O.AD//BCAD=BC使四边形ABCD为正方形下列条件中
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如图正方形ABCD的边长为1以对角线AC为边作第二个正方形再以对角线AE为边作第三个正方形AEGH如
如图已知P.是正方形ABCD对角线BD上一点且BP=BC则∠ACP度数是度.
若正方形的边长为a则其对角线长为______若正方形ACEF的边是正方形ABCD的对角线则正方形AC
如图E.为正方形ABCD对角线BD上的一点且BE=BC则∠DAE=.
如图正方形ABCD中E.为对角线BD上一点且BC=BE则∠BEC=__________°.
如图正方形ABCD的边长为2点E为边BC的中点点P在对角线BD上移动则PE+PC的最小值是.
在四边形ABCD中O.是对角线的交点下列条件能判定这个四边形为正方形的是
AC=BD,AB∥CD,AB=CD
AD∥BC,∠A.=∠
C.OA=OB=OC=OD,AC⊥BD
AO=CO,BO=DO,AB=BC
如图在四边形ABCD中AB=BC=CD=DA对角线AC与BD相交于点O.若不增加任何字母与辅助线要使
如图正方形ABCD的边长为2点E为边BC的中点点P在对角线BD上移动则PE+PC的最小值是_____
如图边长为2的正方形ABCD中点E.是对角线BD上的一点且BE=BC点P.在EC上PM⊥BD于M.P
已知如图正方形ABCD边长为1cm点E.在对角线BD上BE=BCP.是CE上一动点PF⊥BDPG⊥B
如图在正方形ABCD中点E.N.P.G.分别在边ABBCCDDA上点M.F.Q.都在对角线BD上且四
如图正方形ABCD的边长为1以对角线AC为边作第二个正方形再以对角线AE为边作第三个正方形AEGH如
如图在四边形ABCD中AB=BC=CD=DA对角线AC与BD相交于点O.若不增加任何字母与辅助线要使
已知如图四边形ABCD中AD∥BCAD=CDE.是对角线BD上一点且EA=EC.1求证四边形ABCD
如图所示在正方形ABCD中G.为CD边中点连接AG并延长交BC边的延长线于E.点对角线BD交AG于F
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如图正方形ABCD的边长为2点E.为边BC的中点点P.在对角线BD上移动则PE+PC的最小值是.
四边形ABCD中O.是对角线的交点能判定四边形ABCD是正方形的条件是
AO=BO=CO=DO,AC⊥BD
AD∥BC,∠BAD=∠BCD
∠A.=∠B.=∠C.=∠
且AB=CD D.AO=CO,BO=DO,AB=BC
如图正方形ABCD的边长为2点E.为边BC的中点点P.在对角线BD上移动则PE+PC的最小值是___
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