本课配套习题挑战模式1/5
单选题
难度系数:
1.下列说法正确的是( )
A: 各边对应成比例的多边形是相似多边形 |
B: 矩形都是相似图形 |
C: 等边三角形都是相似三角形 |
D: 菱形都是相似图形 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNruebuOS8vOWbvuW9oueahOWumuS5ie+8jOWvueW6lOi+ueaIkOavlOS+i++8jOWvueW6lOinkuebuOetieWvueWQhOmAiemhueWIhuaekOWIpOaWreWQjuWIqeeUqOaOkumZpOazleaxguinow==
- 答案:Qw==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.如图,在矩形、锐角三角形、正五边形、直角三角形的外边加一个宽度一样的外框,保证外框的边与原图形的对应边平行,则外框与原图一定相似的有( )
A: 1个 |
B: 2个 |
C: 3个 |
D: 4个 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNruebuOS8vOWkmui+ueW9oueahOWIpOWumuWumueQhuWvueWQhOS4qumAiemhuei/m+ihjOWIhuaekO+8jOS7juiAjOehruWumuacgOWQjuetlOahiC4=
- 答案:Qw==
6Kej77ya55+p5b2i5LiN55u45Ly877yM5Zug5Li65YW25a+55bqU6KeS55qE5bqm5pWw5LiA5a6a55u45ZCM77yM5L2G5a+55bqU6L6555qE5q+U5YC85LiN5LiA5a6a55u4562J77yM5LiN56ym5ZCI55u45Ly855qE5p2h5Lu277ybPGJyPumUkOinkuS4ieinkuW9ouOAgeebtOinkuS4ieinkuW9oueahOWOn+WbvuS4juWkluahhuebuOS8vO+8jOWboOS4uuWFtuS4ieS4quinkuWdh+ebuOetie+8jOS4ieadoei+ueWdh+WvueW6lOaIkOavlOS+i++8jOespuWQiOebuOS8vOeahOadoeS7tu+8mzxicj7mraPkupTovrnlvaLnm7jkvLzvvIzlm6DkuLrlroPku6znmoTovrnplb/pg73lr7nlupTmiJDmr5TkvovjgIHlr7nlupTop5Lpg73nm7jnrYnvvIznrKblkIjnm7jkvLznmoTmnaHku7YuIDxicj7mlYXpgIlDLiA=
本课配套习题挑战模式3/5
单选题
难度系数:
3.下面图形中,相似的一组是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNruebuOS8vOWbvuW9oueahOWumuS5ie+8jOWvuemAiemhuei/m+ihjOS4gOS4gOWIhuaekO+8jOaOkumZpOmUmeivr+etlOahiC4=
- 答案:RA==
6Kej77yaQeOAgeWvueW6lOi+ueeahOavlOWAvOS4jeebuOetie+8jOWvueW6lOinkuS4jeWvueW6lOebuOetie+8jOS4jeespuWQiOebuOS8vOW9oueahOWumuS5ie+8jOaVhemUmeivr++8mzxicj5C44CB5b2i54q25LiN5ZCM77yM5LiN56ym5ZCI55u45Ly85b2i55qE5a6a5LmJ77yM5pWF6ZSZ6K+v77ybPGJyPkPjgIHlr7nlupTovrnnmoTmr5TlgLzkuI3nm7jnrYnvvIzkuI3nrKblkIjnm7jkvLzlvaLnmoTlrprkuYnvvIzmlYXplJnor6/vvJs8YnI+ROOAgeW9oueKtuebuOWQjO+8jOS9huWkp+Wwj+S4jeWQjO+8jOespuWQiOebuOS8vOW9oueahOWumuS5ie+8jOaVheato+ehri4gPGJyPuaVhemAiUQuIA==
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列说法正确的是( )
A: 四条边对应成比例的两个四边形相似 |
B: 相似三角形的面积的比等于相似比 |
C: 对应角相等的多边形相似 |
D: 三边对应成比例的两个三角形相似 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWIqeeUqOebuOS8vOWbvuW9oueahOWumuS5iemAkOS4gOi/m+ihjOWIpOaWreWQjuWNs+WPr+W+l+WIsOe7k+aenC4=
- 答案:RA==
6Kej77ya5Zub5p2h6L655a+55bqU5oiQ5q+U5L6L55qE5Lik5Liq5Zub6L655b2i5LiN5LiA5a6a55u45Ly877yM5pWF6ZSZ6K+v77ybPGJyPkLjgIHnm7jkvLzkuInop5LlvaLnmoTpnaLnp6/nmoTmr5TnrYnkuo7nm7jkvLzmr5TnmoTlubPmlrnvvIzmlYXplJnor6/vvJs8YnI+Q+OAgeWvueW6lOinkuebuOetieeahOWkmui+ueW9ouS4jeS4gOWumuebuOS8vO+8jOWmguato+aWueW9ouWSjOefqeW9ou+8jOaVhemUmeivr++8mzxicj5E44CB5LiJ6L655a+55bqU5oiQ5q+U5L6L55qE5Lik5Liq5LiJ6KeS5b2i55u45Ly877yMPGJyPuaVhemAiUQuIA==
本课配套习题挑战模式5/5
单选题
难度系数:
5.下列物体或图形,形状相同的有( )
①比例尺一样的两张地图;②高矮不同的两棵树;③比例尺不一样的两张中国地图;④半径不一样的两个圆;⑤大小不等的两个五角星;⑥从哈哈镜中看到的人像与从平面镜中看到的人像.
①比例尺一样的两张地图;②高矮不同的两棵树;③比例尺不一样的两张中国地图;④半径不一样的两个圆;⑤大小不等的两个五角星;⑥从哈哈镜中看到的人像与从平面镜中看到的人像.
A: 2组 |
B: 3组 |
C: 4组 |
D: 5组 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNruebuOS8vOWbvuW9oueahOWumuS5ieWvueWQhOWwj+mimOWIhuaekOWIpOaWreWQjuWNs+WPr+W+l+WIsOetlOahiC4=
- 答案:Qg==
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