2019春九年级数学下册第25章投影与视图本章中考演练课时作业(新版)沪科版.docx

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1、1第 25 章 投影与视图本章中考演练1.(永州中考)如图,几何体的主视图是 (B)2.(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.(眉山中考)下列立体图形中,主视图是三角形的是 (B)4.(泰安中考)下面四个几何体:其中俯视图是四边形的几何体的个数是 (B)A.1 B.2C.3 D.45.(锦州中考)如图,这是由 5 个大小相同的正方体搭成的几何体,该几何体的左视图是 (A)26.(包头中考)如图是由几个大小相同的小立方块所搭几何体的俯视图,其中小正方形中的数字表示在该位置的小立方块的个数,则这个几何体的主视图是 (C)7.(潍坊中考)如图所示的几何体的左视图

2、是 (D)8.(赤峰中考)如图是一个空心圆柱体,其俯视图是 (D)9.(宜宾中考)一个立体图形的三视图如图所示,则该立体图形是 (A)A.圆柱 B.圆锥C.长方体 D.球10.(荆门中考)某几何体由若干个大小相同的小正方体搭成,其主视图与左视图如图所示,则搭成这个几何体的小正方体最少有 (B)3A.4 个 B.5 个C.6 个 D.7 个11.(威海中考)如图是某圆锥的主视图和左视图,该圆锥的侧面积是 (C)A.25 B.24 C.20 D.15提示:由题可得,圆锥的底面直径为 8,高为 3, 圆锥的底面周长为 8,圆锥的母线长为=5, 圆锥的侧面积为 8 5=20 .32+421212.(柳

3、州中考)如图,这是一个机械模具,则它的主视图是 (C)13.(常德中考)把图 1 中的正方体的一角切下后摆在图 2 所示的位置,则图 2 中的几何体的主视图为(D)14.(乌鲁木齐中考)如图是某个几何体的三视图,该几何体是 (C)4A.长方体 B.正方体C.三棱柱 D.圆柱15.(荆州中考)如图是某几何体的三视图,根据图中的数据,求得该几何体的体积为 (D)A.800 +1200 B.160 +1700C.3200 +1200 D.800 +300016.(日照中考)如图是一个几何体的三视图(图中尺寸单位: cm),根据图中所示数据计算这个几何体的表面积是 4 cm 2 . 17.(陇南中考)已知某几何体的三视图如图所示,其中俯视图为正六边形,则该几何体的侧面积为 108 . 518.(朝阳中考)如图是某物体的三视图,则此物体的体积为 .(结果保留 ) 8753提示:由三视图知,该物体是由底面直径为 10、高为 10 的圆柱和底面直径为 10、高为 5 的圆锥组成的 .体积 =V 圆柱 +V 圆锥 = 5210+ 52(15-10)=250 + = .13 1253 8753

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