本课配套习题挑战模式1/5
如图,△ABD与△AEC都是等边三角形,若∠ADC=15°,则∠ABE的度数为( )
A: 15° |
B: 20° |
C: C 55° |
D: 35° |
- 提示1:PHA+4pazQURD4omM4pazQUJF77yIU0FT77yJPC9wPg==
- 答案:QQ==
PGRpdj7op6PvvJriiLXilrNBQkTlkozilrNBQ0Xpg73mmK/nrYnovrnkuInop5LlvaLvvIw8L2Rpdj48ZGl2PuKItEFEPUFC77yMQUM9QUXvvIw8L2Rpdj48ZGl2PuWPiOKIteKIoERBQiviiKBCQUM94oigRUFDK+KIoEJBQ++8jDwvZGl2PjxkaXY+4oi04oigREFDPeKIoEJBRe+8jDwvZGl2PjxkaXY+4oi04pazQURD4omM4pazQUJF77yIU0FT77yJLjwvZGl2PjxkaXY+5Y+I4oi14oigQURDPTE1wrDvvIw8L2Rpdj48ZGl2PuKItOKIoEFCRT3iiKBBREM9MTXCsC48L2Rpdj4=
本课配套习题挑战模式2/5
如图,在△ABD和△ACE都是等边三角形,则△ADC≌△ABE的依据是( )
A: SSS |
B: ASA |
C: SAS |
D: AAS |
- 提示1:PHA+4oigREFCK+KIoEJBQz3iiKBFQUMr4oigQkFDPC9wPg==
- 提示2:PHA+4oigREFDPeKIoEJBRTwvcD4=
- 答案:Qw==
PGRpdj7op6PvvJriiLXilrNBQkTlkozilrNBQ0Xpg73mmK/nrYnovrnkuInop5LlvaLvvIw8L2Rpdj48ZGl2PuKItEFEPUFC77yMQUM9QUXvvIw8L2Rpdj48ZGl2PuWPiOKIteKIoERBQiviiKBCQUM94oigRUFDK+KIoEJBQ++8jDwvZGl2PjxkaXY+4oi04oigREFDPeKIoEJBRe+8jDwvZGl2PjxkaXY+4oi04pazQURD4omM4pazQUJF77yIU0FT77yJLjwvZGl2Pg==
本课配套习题挑战模式3/5
如图,△ABC、△ADE均是顶角为42°的等腰三角形,BC、DE分别是底边,△ABD通过( )转得到△ACE?
A: △ABD绕点A逆时针旋转21°得到△ACE |
B: △ABD绕点A逆时针旋转42°得到△ACE |
C: △ABD绕点A顺时针旋转21°得到△ACE |
D: △ABD绕点A顺时针旋转42°得到△ACE |
- 提示1:PHA+56Gu5a6a5peL6L2s5Lit5b+D77yM5peL6L2s5Zu+5b2i77yM5peL6L2s5pa55ZCR77yM5peL6L2s6KeS5bqm5pWwPC9wPg==
- 提示2:PHA+5LiN5Yqo54K55Li65peL6L2s5Lit5b+DPC9wPg==
- 答案:Qg==
PGRpdj7op6PvvJrilrNBQkTnu5XngrlB6YCG5pe26ZKI5peL6L2sNDLCsOW+l+WIsOKWs0FDRTwvZGl2Pg==
本课配套习题挑战模式4/5
如图中,△ABD和△BCE都是等边三角形,下列说法错误的是( )
A: △DBC≌△ABE |
B: △DBC可以△ABE绕B点顺时针旋转60°而得 |
C: ∠3=60° |
D: BF平分∠DBE |
- 提示1:PHA+5Yip55So5Zu+5b2i5a+75om+5YWo562J5p2h5Lu2PC9wPg==
- 答案:RA==
PGRpdj7op6PvvJpBLuKItTxpbWcgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yMy84Qy9yQkFDRTFNTWEwV1JkaHMxQUFBRDZsNzZyY1E0NzIucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzIzLzhDL3JCQUNFMU1NYTBXUmRoczFBQUFENmw3NnJjUTQ3Mi5wbmciIGhlaWdodD0iODMiIHdpZHRoPSIxMDYiPiziiLTilrNEQkPiiYzilrNBQkXvvIzmlYXmnKzpgInpobnkuI3lkIjpopjmhI88L2Rpdj48ZGl2PkLjgIHmoLnmja7ml4vovaznmoTmgKfotKjlj6/nn6XilrNEQkPlj6/ku6XilrNBQkXnu5VC54K56aG65pe26ZKI5peL6L2sNjDCsOiAjOW+l++8jOaVheacrOmAiemhueS4jeWQiOmimOaEj++8mzwvZGl2PjxkaXY+Q+OAgeagueaNruS4ieinkuW9ouWGheinkuWSjOWumueQhuWPr+efpe+8muKIoDM9MTgwwrAt4oigREFGLeKIoEFERj0xODDCsC3vvIg2MMKwLeKIoDHvvIkt77yINjDCsCviiKAy77yJPGJyPuKIteKIoDE94oigMu+8jDxicj7iiLTiiKAzPTYwwrDvvIzmlYXmnKzpgInpobnkuI3lkIjpopjmhI/vvJs8L2Rpdj4=
本课配套习题挑战模式5/5
如图,△ABC和△ADE都是等腰直角三角形,∠BAC=∠DAE=90°,四边形ACDE是平行四边形,连接CE交AD于点F,连结BD交CE于点G,连结BE,则图中与△ACE全等的三角形还有( )
A: △DCE |
B: △DCE、△ABD |
C: △BCD、△ACE |
D: △DCE、△ABD、△ABE |
- 提示1:PHA+5qC55o2u562J6IWw55u06KeS5LiJ6KeS5b2i55qE5oCn6LSo5b6XQUI9QUPvvIxBRD1BRe+8jOKIoEFERT00NcKw77yM5qC55o2u5bmz6KGM5Zub6L655b2i5oCn6LSo5b6XQUU9Q0TvvIxBQz1ERe+8jOWImeagueaNruKAnFNTU+KAneWIpOaWreKWs0FDReKJjOKWs0RDRe+8mzwvcD4=
- 提示2:PHA+5Yip55So4oigQkFDPeKIoERBRT05MMKw5b6X5Yiw4oigQkFEPeKIoEVBQ++8jOagueaNruKAnFNBU+KAneWPr+WIpOaWreKWs0FCROKJjOKWs0FDRe+8mzwvcD4=
- 提示3:PHA+5qC55o2u5bmz6KGM5Zub6L655b2i5oCn6LSo5b6X4oigQ0FEPeKIoEFERT00NcKw77yM5YiZ5b6X5Yiw4oigQ0FFPeKIoEJBRT0xMzXCsO+8jOagueaNruKAnFNBU+KAneWIpOaWreKWs0FDReKJjOKWs0FCRTwvcD4=
- 答案:RA==
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