两个视图为三角形，一面视图是圆的基本体是什么图形？What is the shape of the object two views that are both triangles and one view is a circle frame?
A: 圆台 frustum of a cone
B: 圆柱 cylinder
C: 圆锥cone
D: 四棱锥frustum of a pyramid
A: 圆台 frustum of a cone
B: 圆柱 cylinder
C: 圆锥cone
D: 四棱锥frustum of a pyramid
举一反三
- What is the shape of the object with two views that are both triangles and one view is a circle A: cone B: cylinder C: frustum of a pyramid D: frustum of a cone
- 中国大学MOOC: 两个视图为三角形，一面视图是圆的基本体是什么图形？What is the shape of the object two views that are both triangles and one view is a circle frame?
- 中国大学MOOC: 两个视图为矩形线框，一面试图是组合线框的形体是什么图形？What is the shape of the object two views that are both rectangles and one view is a composite frame ？
- 正立摆放的圆锥，水平投影是一个圆，另两面投影是三角形。The projection of a cone which is set to upright must be one circle frame and two triangles.
- 正立摆放的圆锥，水平投影是一个圆，另两面投影是三角形。The projection of a cone which is set to upright must be one circle frame and two triangles.