Three unit circles are arranged so that each touches the oth

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/11/14 13:59:28

Three unit circles are arranged so that each touches the other two .Find the radii of the two ci...
Three unit circles are arranged so that each touches the other two .Find the radii of the two circles which touch all three.

Problem
Three unit circles are arranged so that each touches the other two.Find the radii of the two circles which touch all three.
Solution
The two circles have center at the center of the triangle,which is the centroid and hence a distance 2/3 √3 from the center of each of the unit circles.The two required radii are therefore 2/√3 ± 1.

Three unit circles are arranged so that each touches the oth Draw three circles on the 1.I saw that there were three large ______ circles in the mi Its been a while since the last time that weve seen each oth 求翻译Each prisoner is told that if he speaks and turns the oth So we find,in practice,that the game is always arranged in f The two boys are good friends,but sometimes they () each oth Draw two circles.They are the same. I have three pens,two of them are new,___is old.横线上应添the oth 关于冠词的用法the histroical events of that period are arranged __A Draw three circles on the Draw four triangles on the three.Choose the answer that best complete each sentences