Assume that the base of a solid is a circle with radius of 5, and the sections of a fixed diameter perpendicular to the bottom circle are equilateral triangles, then the volume of the solid is [img=89x43]1803e2483322d80.png[/img].
举一反三
- The effective volume of aggregate is () A: Volume of solid aggregate B: volume of solid aggregate and surface voids C: volume of solid aggregate and surface voids not filled with asphalt D: volume of solid aggregate, surface voids and closed voids
- The meaning of SΦ in dimension is:(Single option: 10 points) A: The symbol of sphere diameter B: The symbol of sphere radius C: The symbol of circle diameter D: None
- 下面不是无序列表type的属性值的是（）。 A: disc B: square C: solid D: circle
- 下面是无序列表type的属性值的是（）。 A: square B: disc C: solid D: circle
- 下面不是无序列表list-style-type的属性值的是( ) A: disc B: square C: solid D: circle