Acute triangle
01
锐角三角形, 锐三角形
a triangle in which all three interior angles are less than 90 degrees
例子
The triangle ABC is an acute triangle because angles A, B, and C are all less than 90 degrees.
三角形ABC是一个锐角三角形，因为角A、B和C都小于90度。
锐角三角形, 锐三角形
