把圆柱削成一个最大的圆锥求削去部分体积

  • 时间:2020-05-05 19:39:23
  • 分类:数学世界
  • 阅读:132 次

数学题:一个圆柱形木块,底面积是5平方分米,高是8分米,把它削成一个最大的圆锥,削去部分的体积是多少?

圆柱削成圆锥

数学题解答:削成最大的圆锥,就是说圆锥要与圆柱等底等高。这样的话,如果把圆锥的体积看成1份,则圆柱体积是3份,那么削去部分的体积就是2份。

可以先求出圆柱的体积:5×8=40(立方分米)

再算削去部分的体积:40÷3×2= 80/3(立方分米)

推荐阅读:
How to Target your Audience Right? Use Segmentation  $7,000-A-Month Blogger Loses It All With One Post  4 Ways to Become a More Organized Blogger  Feel Like a Change? Why Not Try the Life of an Expat-preneur?  4 Tech Trends You Need To Get Prepared For  Blogger Sentenced To Two Years In Prison After Insulting Preside  Back to Basics: Blogging and Copyright Infringement  How To Jazz Up That Boring Business Blog  The Life Of A Million-Dollar Blogger  5 Types of Stories You Can Tell About Your Business 
评论列表
添加评论