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五边形的内角和是 °．
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教案备课库《七（2）年级暑假数学作业（四）》真题及答案
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正五边形的内角和为_________每个内角为_________
五边形的内角和为_________°外角和为__________°.
五边形的内角和为
正十二边形的内角和是.正五边形的外角和是.
我们知道形状为正五边形的地砖不能铺满地面但某公园的一段路面是用型号相同的特殊的五边形地砖铺成的.如图
五边形的内角和等于°.
五边形的内角和等于度.
五边形的内角和为____________度.
五边形的内角和是
180°
360°
540°
600°
圆的内接五边形其内角都相等求证这个五边形为正五边形.
五边形内角总和为540度
五边形的内角和为______.
五边形内角和的度数是.
五边形的内角和比它的外角和多度.
如图6大五边形由若干个白色和灰色的多边形拼接而成这些多边形不包括大五边形的所有内角和等于.
五边形的内角和为.
正五边形的内角和等于______度.
五边形的内角和为.
在一个五边形中画上两条线段可以把这个五边形分成三个三角形因此五边形的内角和是540°．．判断对错
观测某五边形的四个内角该五边形第5个内角的中误差为
± 4″
± 8″
± 12″
± 16″
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