北师大版八级下册《第6章 平行四边形》同步练习卷A（13）.doc

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1、北师大版八年级下册第6章 平行四边形2014年同步练习卷A（13）一、选择题（共2小题，每小题3分，满分6分）1五边形的内角和为（）A720B540C360D1802一个多边形的内角中，锐角的个数最多有（）A3个B4个C5个D6个二、填空题（共2小题，每小题3分，满分6分）待添加的隐藏文字内容33若一个多边形内角和等于1260，则该多边形边数是4一个多边形所有内角都是135，则这个多边形的边数为三、解答题（共2小题，满分0分）5在四边形ABCD中，D=60，B比A大20，C是A的2倍，求A，B，C的大小6一个多边形除去一个内角后，其余所有内角之和为1660，试求这个多边形的边数29C91AFE

2、4CED1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFEDD1B6C87D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AF95AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9D1B6C8795AD9C91AFE4CED1B6C8795A1AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795A

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10、5AD9C91AFED1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8D1B6C8795AD9C91AFE4CED15AD9C91D1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8795AD9C91FE4CED1B6C8795AD29C91AFFE4CED1B6C8795AD29C91AFC8795AD9C91FE4CED1B6C8795AD29C91AFD1B6C8795AD9C91AFED1B6C8795AD9C91AFE4CED1B6C8795AD91AFE4CED1B6C8D1B6C8795AD9C91

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