1 / 111

# 圆锥的体积 - PowerPoint PPT Presentation

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

## PowerPoint Slideshow about ' 圆锥的体积' - joyce

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

①底面积是5平方厘米，高 6 厘米，体积 = ?

②底面半径是 2 分米， 高10分米，体积 = ?

③底面直径是 6 分米， 高10分米，体积 = ?

• 圆柱和圆锥的底和高有什么关系?

3

3

（1）通过刚才的实验，你发现了什么？

（2）要求圆锥的体积必须知道什么？

×19 ×12=76（立方厘米）

1.2米

4米

1.圆柱体的体积一定比圆锥体的体积大（ ）

2.圆锥的体积等于和它等底等高的圆柱体的 （ ）

3.正方体、长方体、圆锥体的体积都等于底面积×高。 （ ）

4.等底等高的圆柱和圆锥，如果圆柱体的体积是27立方米，那么圆锥的体积是9立方米。（ ）

×

×

37.68立方厘米

28.26立方厘米

6.28立方分米

6厘米

15厘米