obtuse angle造句

1、Use the vector dot product to find the obtuse Angle between two diagonals of a cube.
用矢量点积求立方体的两条对角线所夹的钝角。

2、One way to create this obtuse Angle is to lean back further.
形成这种钝角的方法之一是再向后倾斜一点。

3、The relevant obtuse Angle principle is proved.
并证明了相应的钝角原理。