配套习题- 矩形的判定 -【青果学院】

1/5单选题

难度：

1.平行四边形ABCD中，AC、BD是两条对角线，如果添加一个条件，即可推出平行四边形ABCD是矩形，那么这个条件是（　　）

A	AB=BC
B	AC=BD
C	AC⊥BD
D	AB⊥BD

正确答案：Qg==

6Kej77yaQeOAgeaYr+mCu+i+ueebuOetie+8jOWPr+W+l+WIsOW5s+ihjOWbm+i+ueW9okFCQ0TmmK/oj7HlvaLvvIzmlYXkuI3mraPnoa7vvJs8YnI+QuOAgeaYr+Wvueinkue6v+ebuOetie+8jOWPr+aOqOWHuuW5s+ihjOWbm+i+ueW9okFCQ0TmmK/nn6nlvaLvvIzmlYXmraPnoa7vvJs8YnI+Q+OAgeaYr+Wvueinkue6v+S6kuebuOWeguebtO+8jOWPr+W+l+WIsOW5s+ihjOWbm+i+ueW9okFCQ0TmmK/oj7HlvaLvvIzmlYXkuI3mraPnoa7vvJs8YnI+ROOAgeaXoOazleWIpOaWre+8jjxicj7mlYXpgIlC77yO

2/5单选题

难度：

2.在判断“一个四边形门框是否为矩形”的数学活动课上，一个合作学习小组的4位同学分别拟定了如下的方案，其中正确的是（）

A	测量对角线是否相等
B	测量两组对边是否分别相等
C	测量一组对角是否都为直角
D	测量其中三个角是否都为直角

正确答案：RA==

6Kej562U77yaQeOAgeWvueinkue6v+ebuOetie+8jOWbm+i+ueW9ouS4jeS4gOWumuaYr+efqeW9ou+8jOS+i+WmguetieiFsOair+W9ou+8mzxicj5C44CB5Lik57uE5a+56L6555u4562J77yM5Zub6L655b2i5Lmf5LiN5LiA5a6a5piv55+p5b2i77yM5L6L5aaC5bmz6KGM5Zub6L655b2i77ybPGJyPkPjgIHkuKTnu4Tlr7nop5Lpg73kuLrnm7Top5LvvIzlm5vovrnlvaLkuI3kuIDlrprmmK/nn6nlvaLvvIzlm6DkuLrlj6bkuKTkuKrop5LluqbmlbDkuI3noa7lrprvvJs8YnI+ROOAgeagueaNruefqeW9oueahOWIpOWumu+8jOS4ieS4quinkumDveS4uuebtOinku+8jOWbm+i+ueW9ouWwseaYr+efqeW9ou+8jjxicj7mlYXpgIlE77yO

3/5单选题

难度：

3.如图，四边形ABCD的对角线为AC、BD，且AC=BD，则下列条件能判定四边形ABCD为矩形的是（　　）

A	BA=BC
B	AC、BD互相平分
C	AC⊥BD
D	AB∥CD

正确答案：Qg==

6Kej77ya6IO95Yik5a6a5Zub6L655b2iQUJDROaYr+efqeW9oueahOadoeS7tuS4ukFD44CBQkTkupLnm7jlubPliIbvvI48YnI+55CG55Sx5aaC5LiL77ya4oi1QUPjgIFCROS6kuebuOW5s+WIhu+8jDxicj7iiLTlm5vovrnlvaJBQkNE5piv5bmz6KGM5Zub6L655b2i77yMPGJyPuKItUFDPUJE77yMPGJyPuKItCYjOTY0OTtBQkNE5piv55+p5b2i77yOPGJyPuWFtuWug+S4ieS4quadoeS7tuWGjeWKoOS4ikFDPUJE5Z2H5LiN6IO95Yik5a6a5Zub6L655b2iQUJDROaYr+efqeW9ou+8jjxicj7mlYXpgIlC77yO

4/5单选题

难度：

4.若顺次连接四边形ABCD各边中点所得四边形是矩形，则四边形ABCD必然是（）

A	菱形
B	对角线相互垂直的四边形
C	正方形
D	对角线相等的四边形

正确答案：Qg==

6Kej77ya5bey55+l77ya5aaC5Y+z5Zu+77yM5Zub6L655b2iRUZHSOaYr+efqeW9ou+8jOS4lEXjgIFG44CBR+OAgUjliIbliKvmmK9BQuOAgUJD44CBQ0TjgIFBROeahOS4reeCue+8jOaxguivge+8muWbm+i+ueW9okFCQ0TmmK/lr7nop5Lnur/lnoLnm7TnmoTlm5vovrnlvaLvvI48YnI+6K+B5piO77ya55Sx5LqOReOAgUbjgIFH44CBSOWIhuWIq+aYr0FC44CBQkPjgIFDROOAgUFE55qE5Lit54K577yMPGJyPuagueaNruS4ieinkuW9ouS4reS9jee6v+WumueQhuW+l++8mkVI4oilRkfiiKVCRO+8jEVG4oilQUPiiKVIR++8mzxicj7iiLXlm5vovrnlvaJFRkdI5piv55+p5b2i77yM5Y2zRUbiiqVGR++8jDxicj7iiLRBQ+KKpUJE77yb5pWF6YCJQu+8jjxicj48aW1nIHdpZHRoPTEzMiBoZWlnaHQ9MTA3IHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNkQvRTQvckJBQ0psVV9Vd2JRMnMxS0FBQUpHNFgxb0FNOTc3LnBuZyIgPg==

5/5单选题

难度：

5.如图所示，四边形ABCD的对角线AC，BD交于点O．下列条件中，可判定四边形ABCD为矩形的是( )

A	AC=BD
B	△AOB是等边三角形
C	AO=CO=BO=DO
D	∠ABC+∠BCD+∠CDA+∠DAB=360°

正确答案：Qw==

6Kej77yaQeOAgeWvueinkue6v+S6kuebuOW5s+WIhuS4lOebuOetieeahOWbm+i+ueW9ouaYr+efqeW9ou+8jOaVheS4jeiDve+8mzxicj5C44CB4pazQU9C5piv562J6L655LiJ6KeS5b2i5LiN6IO95Yik5a6a5Zub6L655b2iQUJDROS4uuefqeW9ou+8mzxicj5D44CB5a+56KeS57q/5LqS55u45bmz5YiG5LiU55u4562J55qE5Zub6L655b2i5piv55+p5b2i77yM5pWF6IO95Yik5a6a77ybPGJyPkTjgIHlm5vovrnlvaLnmoTlhoXop5LlkozmmK8zNjDCsO+8jOaVheS4jeiDve+8jjxicj7mlYXpgIlD77yO