数学题:如何按照一定的比例把小长方形扩大成与大长方形完全重的图形
- 时间:2020-06-07 17:53:28
- 分类:数学世界
- 阅读:142 次
数学题:一个长方形的长是8㎝,宽是6㎝;另一个,长方形的宽是9厘米,长是12厘米。如何按照一定的比例把小长方形扩大成与大长方形完全重的图形?(由王洋军同学提问)
数学题解答:先看第一个长方形,长宽比是:8:6=4:3
第二个长方形,长宽比是:12:9=4:3
所以两个长方形的形状是相同的,只是大小不同。
现在来解决问题,小长方形如果想与大长方形重合,则需要把长和宽都按照1.5:1的比例尺扩大,因为:
12:8=1.5:1
9:6=1.5:1
推荐阅读:Blogging Mistakes Most Beginner Bloggers Make Creating a Website for Your Brand: 4 Best Practices You Must Con What Is Content and Why Does It Matter? 5 Things to Know When Starting a Financial Blog How to Improve the Marketing for Your Online Business Building an Online Store – What You Need to Do Independent Digital Media Is Being Shut Down Around the World, a Using the Windows Hardware Tool to Error Checking and Optimize Y The Union Find (Disjoint Set) Implementation in Java/C++ How to use the Leetcode’s Mock Interview Overview to Nail
- 评论列表
-
- 添加评论