求大神相助啊,借一初一数学题
一个多边形,除了一个内角外,其余各内角之和等于1870度,求多边形的边数。求助啊,数学不太好要过程哦...
一个多边形,除了一个内角外,其余各内角之和等于1870度,求多边形的边数。
求助啊,数学不太好
要过程哦 展开
求助啊,数学不太好
要过程哦 展开
5个回答
展开全部
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,11边,
展开全部
设这个内角角度为A,这个多边形变数为X,则
A+1870=(X-2)180
左边为180的倍数,且A大于0小于180
故A=110
X=13
为13边形
A+1870=(X-2)180
左边为180的倍数,且A大于0小于180
故A=110
X=13
为13边形
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展开全部
多边形内角和=(边数-2)x180°=(角数-2)x180°
1870°÷180°=10(个)......70°
所以它有10+1+2=13个角(因为角数-2,所以这里要加2),第13个角是180°-70°=110°.
也就是有13条边.
1870°÷180°=10(个)......70°
所以它有10+1+2=13个角(因为角数-2,所以这里要加2),第13个角是180°-70°=110°.
也就是有13条边.
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展开全部
11边
所有多边形的内角和都是180的倍数
10边的话10*180=1800很明显错的
11*180=1980,1980-1870=110
110大于90度
所有是11边
所有多边形的内角和都是180的倍数
10边的话10*180=1800很明显错的
11*180=1980,1980-1870=110
110大于90度
所有是11边
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2012-08-09
展开全部
多边形内角和公式
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