(毕节专版)2019年中考数学复习第6章投影与视图第23课时投影与视图(精练)试题.doc

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1、1第23课时 投影与视图(时间:30分钟) 1(2018绍兴中考) 有6个相同的立方体搭成的几何体如图所示,则它的主视图是( D )2(2018菏泽中考)如图是两个等直径圆柱构成的“ T”形管道,其左视图是( B )3(2018 永州中考)如图所示的几何体的 主视图是( B )4(201 8温州中考)移动台阶如图所示,它的主视图是( B )5(2018江西中考)如图所示的几何体的左视图为( D )6(2018泰安中考)如图是下列哪个几何体的主视图与俯视图( C )7(2018眉山中考)下列立体图形中,主视图是三角形的是( B )8(2018盘锦中考)如图是某立体图形的三视图,则这个立体图形的侧

2、面展开图的面积是_65 _(结果保留 )2(第8题图) (第9题图)9如图,正三棱柱的底面周长为9,截去一个 底面周长为3的正三棱柱,所得几何体的俯视图的周长是_8_10由一些大小相同,棱长为 1的小正方体搭成的几何体的俯视图如图所示,数字表示该位置的正方体个数(1)请画出它的主视图和左视图;(2)给这个几何体喷上颜色(底面不喷色),需要喷色的面积为_ _;(3)在不改变主视图和俯视图的情况 下,最多可添加_块小正方体解:(1)它的主视图和左视图如图;(2)给这个几何体喷上颜色(底面不喷色),需要喷色的面有32个,所以喷 色的面积为32.故应填:32;(3)在不改变主 视图和俯视图的情况下,最多可添加1个 小正方体故应填:1.

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