边长 [
biān cháng]
length of side
side length
- 长方形的周长是指它边长的总合。
The perimeter of rectangle is the distance around it. - 已知有一位徒步旅行者受了重伤,人在边长10公里的正方形区域中,不能行动。
A hiker has been seriously hurt somewhere in a 10-mile-by-10-mile-square area. - 一个等边三角形,边长为2,在三角形内从三个顶点各有一个边长为1的6分之一圆,三圆相切,问中间部分?
Two Dice,6 faces each represent one Number, when thrown twice,how many different Value of the sum of the results?无sum为1的可能.