中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.一个多边形截去一个角后，形成另一个多边形的内角和为720°，那么原多边形的边数为（ ）
| A: 5 |
| B: 5或6 |
| C: 5或7 |
| D: 5或6或7 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOmmluWFiOaxguaWsOWkmui+ueW9oueahOi+ueaVsA==
- 提示2：IOWGjeWIhuS4ieenjeaDheWGteiuqOiuuu+8jOWkmuS6huS4gOi+ue+8jOi+ueaVsOS4jeWPmO+8jOi/mOaYr+WwkeS6huS4gOi+ue+8nw==
- 答案：RA==
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本课配套习题挑战模式2/5
单选题
难度系数：
2.一个多边形截取一个角后，形成另一个多边形的内角和是1620°，则原来多边形的边数是（ ）
| A: 10 |
| B: 11 |
| C: 12 |
| D: 以上都有可能 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOmmluWFiOiuoeeul+aWsOWkmui+ueW9oueahOi+ueaVsA==
- 提示2：IOeEtuWQjuWIhuS4ieenjeaDheWGteiuqOiuui4g5Zug5Li65oiq5Y+W5LiA5Liq6KeS5Y+v6IO95Lya5aSa5LqG5LiA5p2h6L6577yM5bCR5LqG5LiA5p2h6L6577yM5oiW6ICF6L655pWw5LiN5Y+Y
- 答案：RA==
6Kej77ya6K6+5paw5aSa6L655b2i55qE6L655pWw5pivbu+8jOWIme+8iG4tMu+8iSYjODIyNjsxODA9MTYyMO+8jOino+W+l++8mm49MTE8YnI+5Zug5Li65oiq5Y675LiA5Liq6KeS5pyJ5LiJ56eN5oiq5rOV77yI6KeG6aKR5L6L6aKYMeacieivpuino++8ie+8jOaJgOS7peWOn+Wkmui+ueW9oueahOi+ueaVsOS4ujEwLDExLDEy
本课配套习题挑战模式3/5
单选题
难度系数：
3.如果一个多边形除了一个内角外，其余各角的和为2030°，则这个多边形的边数是（ ）
| A: 12 |
| B: 13 |
| C: 14 |
| D: 15 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWFiOiuvui/meS4quWkmui+ueW9oueahOi+ueaVsOaYr27vvIzpmaTmjonnmoTov5nkuKrlhoXop5LnmoTluqbmlbDkuLp477yM5b6X5Ye677yIbi0y77yJMTgwwrAteD0yMDMwwrA=
- 提示2：IOi/m+iAjOWPr+eUqOWQq27nmoTlvI/lrZDooajnpLrlh7p4
- 提示3：IOWPiOWboOS4ujDCsO+8nHjvvJwxODDCsO+8jOaJgOS7peWPr+i/m+S4gOatpeaxguWHum7nmoTlj5blgLzojIPlm7TvvIzlubblj5bmlbTlvpflh7pu55qE5YC8
- 答案：Qw==
6Kej77ya6K6+6L+Z5Liq5aSa6L655b2i55qE6L655pWw5pivbu+8jOmZpOaOieeahOi/meS4quWGheinkueahOW6puaVsOS4ung8YnI+5YiZ5L6d6aKY5oSP5Y+v5b6X77ya77yIbi0y77yJMTgwwrAteD0yMDMwwrA8YnI+5b6XeD0xODDCsG4tMjM5MMKwPGJyPuKItTDCsO+8nHjvvJwxODDCsDxicj7iiLQgMTgwwrBuJiM4NzIyOzIzOTDCsO+8njDCsCDkuJQgMTgwwrBuJiM4NzIyOzIzOTDCsO+8nDE4MMKwPGJyPuino+W+lzxpbWcgd2lkdGg9MTE4IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzI0LzhBL3JCQUNFMU5lTmt1UjBzZm1BQUFDZ2xjUlplYzA0Mi5wbmciPjxicj7lj4jiiLVu5Li65q2j5pW05pWwIOKItG7lj5YxNO+8jOWImei/meS4quWkmui+ueW9oueahOi+ueaVsOaYrzE0LiA8dGFibGUgY2xhc3M9TXNvTm9ybWFsVGFibGUgYm9yZGVyPTAgY2VsbHNwYWNpbmc9MCBjZWxscGFkZGluZz0wIHN0eWxlPSdib3JkZXItY29sbGFwc2U6Y29sbGFwc2UnPiA8dHI+ICA8dGQgc3R5bGU9J3BhZGRpbmc6LS43NXB0IC0uNzVwdCAtLjc1cHQgLS43NXB0Jz48L3RkPiAgPHRkIHN0eWxlPSdwYWRkaW5nOi0uNzVwdCAtLjc1cHQgLS43NXB0IC0uNzVwdCc+PC90ZD4gPC90cj48L3RhYmxlPg==
本课配套习题挑战模式4/5
单选题
难度系数：
4.在一个多边形中，除了两个内角外，其余内角之和为2002°，则这个多边形的边数是（ ）
| A: 14 |
| B: 15 |
| C: 14或15 |
| D: 以上都不对 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOiuvui/meS4quWkmui+ueW9oueahOi+ueaVsOS4um7vvIzkuKTkuKrlhoXop5LnmoTlkozkuLp477yM5YiZ77yIbi0y77yJMTgwwrAteD0yMDAy
- 提示2：IOeUqG7ooajnpLrlh7p455qE5YC877yM6ICM5Lik5Liq5YaF6KeS55qE5ZKMeOa7oei2szDCsO+8nHjvvJwzNjDCsO+8jOWNs+WPr+W+l+WIsOS4gOS4quWFs+S6jm7nmoTkuI3nrYnlvI/nu4TvvIzmsYLlvpdu55qE6IyD5Zu0
- 提示3：IOS+neaNrm7mmK/mraPmlbTmlbDljbPlj6/msYLop6Nu55qE5YC8
- 答案：Qw==
6Kej77ya6K6+6L+Z5Liq5aSa6L655b2i55qE6L655pWw5Li6bu+8jOS4pOS4quWGheinkueahOWSjOS4ung8YnI+5YiZ77yIbi0y77yJMTgwwrAteD0yMDAyPGJyPuino+W+l++8mng9MTgwbi0yMzYyPGJyPuKItTDCsO+8nHjvvJwzNjDCsDxicj7iiLQw77ycMTgwbi0yMzYy77ycMzYw77yMPGJyPuino+W+lyA8aW1nIHdpZHRoPTEwMyBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8yNC84Qi9yQkFDRTFOZU5sT3pYcWhpQUFBQ2NFS0tLRFEwNTUucG5nIj48YnI+4oi0IG49MTTmiJYxNQ==
本课配套习题挑战模式5/5
单选题
难度系数：
5.如果一个多边形的所有内角与一个外角的和是1360°，那么这个多边形的对角线一共有（ ）
| A: 14 |
| B: 28 |
| C: 27 |
| D: 54 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOiuvui/meS4quWkluinkuW6puaVsOS4unjvvIzlj6/lvpfvvIhuLTLvvInDlzE4MMKwK3g9MTM2MMKw
- 提示2：IOeUqG7ooajnpLrlh7p455qE5YC877yMeOa7oei2szDCsO+8nHjvvJwxODDCsO+8jOWNs+WPr+W+l+WIsOS4gOS4quWFs+S6jm7nmoTkuI3nrYnlvI/nu4TvvIzmsYLlvpdu55qE6IyD5Zu0
- 提示3：IOS+neaNrm7mmK/mraPmlbTmlbDljbPlj6/msYLop6Nu55qE5YC877yMbui+ueW9ouWvueinkue6v+eahOaAu+adoeaVsOS4uu+8mm7vvIhuLTPvvInDtzI=
- 答案：Qw==
6Kej77ya6K6+6L+Z5Liq5aSW6KeS5bqm5pWw5Li6eO+8jOagueaNrumimOaEj++8jOW+lzxicj7vvIhuLTLvvInDlzE4MMKwK3g9MTM2MMKwPGJyPuino+W+l++8mng9MTM2MMKwLTE4MMKwbiszNjDCsD0xNzIwwrAtMTgwwrBuPGJyPueUseS6jjDvvJx477ycMTgwwrDvvIzljbMw77ycMTcyMMKwLTE4MMKwbu+8nDE4MMKwPGJyPuino+W+lzxpbWcgd2lkdGg9ODAgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRTgvODEvckJBQ0ZGTmVObHVCUWpwdEFBQUNMV2YtYmxFOTY4LnBuZyI+PGJyPuaJgOS7pW49OTxicj7miYDku6XlpJrovrnlvaLnmoTlr7nop5Lnur/kuIDlhbHmnIk5w5fvvIg5LTPvvInDtzI9MjfmnaE=
