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【332439】3.3 第1课时 画几何体的三视图

时间:2025-01-21 12:47:11 作者: 字数:1094字
简介:

3.3 三视图

1课时 画几何体的三视图

1.如图(1)放置的一个圆柱,则它的左视图是 ( )

 <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/862/" title="视图" class="c1" target="_blank">视图</a> <a href="/tags/871/" title="几何体" class="c1" target="_blank">几何体</a>






2.如图(1)所示的是圆台形灯罩的示意图,它的俯视图是如图(2)所示的( )

 <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/862/" title="视图" class="c1" target="_blank">视图</a> <a href="/tags/871/" title="几何体" class="c1" target="_blank">几何体</a>




3.如图所示的四个几何体中,主视图与其他几何体的主视图不同的是( )

 <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/862/" title="视图" class="c1" target="_blank">视图</a> <a href="/tags/871/" title="几何体" class="c1" target="_blank">几何体</a>





4 <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/862/" title="视图" class="c1" target="_blank">视图</a> <a href="/tags/871/" title="几何体" class="c1" target="_blank">几何体</a> .如图(1)所示的是由6个大小相同的正方形组成的几何体,它的俯视图是如图(2)所示的( )



 <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/862/" title="视图" class="c1" target="_blank">视图</a> <a href="/tags/871/" title="几何体" class="c1" target="_blank">几何体</a>







5 <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/862/" title="视图" class="c1" target="_blank">视图</a> <a href="/tags/871/" title="几何体" class="c1" target="_blank">几何体</a> .如图(1)所示,放置的一个水管三叉接头,若其主视图如图(2)所示,则其俯视图是图(3)所示的( )





 <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/862/" title="视图" class="c1" target="_blank">视图</a> <a href="/tags/871/" title="几何体" class="c1" target="_blank">几何体</a>





6 <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/862/" title="视图" class="c1" target="_blank">视图</a> <a href="/tags/871/" title="几何体" class="c1" target="_blank">几何体</a> .在水平的讲台上放置圆柱形水杯和长方形粉笔盒,如图(1)所示,则它的主视图是图(2)所示的( )




 <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/862/" title="视图" class="c1" target="_blank">视图</a> <a href="/tags/871/" title="几何体" class="c1" target="_blank">几何体</a>






7.沿圆柱体上面直径截去一部分的物体如图所示,画出它的三视图.


 <a href="/tags/16/" title="课时" class="c1" target="_blank">课时</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/862/" title="视图" class="c1" target="_blank">视图</a> <a href="/tags/871/" title="几何体" class="c1" target="_blank">几何体</a> Shape1

(3)