3.14×2×2÷4,
=12.56÷4,
=3.14(厘米),
答:改成的正方形的边长是3.14厘米.
故答案为:3.14.
用铁丝做一个半径2厘米的圆,把它改做成正方形后边长是_厘米.
用铁丝做一个半径2厘米的圆,把它改做成正方形后边长是______厘米.
数学人气:643 ℃时间:2020-03-23 19:39:22
优质解答
我来回答
类似推荐
猜你喜欢
- 1翻译:It is also very hard to take in air as you get near the top.
- 2Tom wanted to go into the room , but he could't ____A.get out B.get into C.get on D.get in
- 3初中英语作文,题目进入俱乐部,要有汉语意思
- 4以 谁是最美环卫工人 为话题的作文700字
- 5xdy-ylnydx=0
- 6实际用去24万元,比计划节约了6万元,节约了百分之几?
- 7船航速多少节是什么意思?
- 8serious about怎么读
- 9在由C2H4,C3H6和CH2O组成的混合气体中 碳元素的质量分数是60%则该混合气体中氧元
- 10yong as she is,mary is good at handing difficult customers