七年级数学上册第一章基本的几何图形1.2《几何图形》综合练习(新版)青岛版.doc

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1、11.2 几何图形1.长方体共有( )个面.A.8 B.6 C.5 D.42.六棱柱共有( )条棱.A.16 B.17 C.18 D.203.下列说法,不正确的是( )A.圆锥和圆柱的底面都是圆.B.棱锥底面边数与侧棱数相等.C.棱柱的上、下底面是形状、大小相同的多边形.D.长方体是四棱柱,四棱柱是长方体.4.判断题:(1)棱柱侧面的形状可能是一个三角形.( )(2)棱柱的每条棱长都相等.( )(3)正方体和长方体是特殊的四棱柱,有是特殊的六面体.( )5.正方体有 个面, 个顶点,经过每个顶点有 条棱.这些棱的长度 (填相同或不同).棱长为 acm的正方体的表面积为 cm 2.6.长方体有

2、个顶点, 条棱, 个面.7.五棱柱是由 个面围成的,它有 个顶点,有 条棱.8.一个六棱柱共有 条棱,如果六棱柱的底面边长都是 2cm,侧棱长都是 4cm,那么它所有棱长的和是 cm.9.如图所示的几何体是由一个正方体截去 41后而形成的,这个几何体是由 个面围成的,其中正方形有 个,长方形有 个.10.已知一圆柱内恰好能容纳一个球体,请画出示意图并尽可能多地写出一些你发现的关系式.11.在正方体的六个面上分别涂上红、黄、蓝、白、黑、绿六种颜色,现有涂色方式完全相2同的四个正方体,如图拼成一个长方体,请判断涂红、黄、白三种颜色的对面分别涂着哪一种颜色?12.如图,已知一个正方体的六个面上分别写着六个连续的整数,且每两个相对面上的两个数的和都相等,图中所能看到的数是 16,19 和 20,求这 6个整数的和.3参考答案1.B 2.C 3.D 4.(1) (2) (3)5. 6 8 3 相同 6a 6. 8 12 67. 7 10 15 8. 18 48 9.8 2 410.图略,该圆柱的高与底面直径相等 11.绿 蓝 黑12.111

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