美[ˈtraɪˌæŋɡəl] 1 . The sum of all the angles of a triangle is 180 degrees.
三角形内角总和为180度。
来自柯林斯例句
2 . The hypotenuse is the longest side of a right triangle .
直角三角形的斜边是直角三角形中最长的边.
来自《简明英汉词典》
3 . The base angles of an isosceles triangle are equal.
等腰三角形的底角相等.
来自《简明英汉词典》
4 . He drew a right triangle .
他画了一个直角三角形.
来自《简明英汉词典》
5 . The place is a cobbled triangle .
这个地方是一块铺石子的三角地.
来自《简明英汉词典》
1.a three-sided polygon
2.something approximating the shape of a triangle;
the coastline of Chile and Argentina and Brazil forms two legs of a triangle
3.any of various triangular drafting instruments used to draw straight lines at specified angles
4.a percussion instrument consisting of a metal bar bent in the shape of an open triangle
