angle closing error of traverse

例句：

1. 1. The car's angle is perfect for parking in this spot.
   这辆车的角度非常适合在这个位置停车。
2. 2. The engineer measured the angle of the roof to ensure it was level.
   工程师测量了屋顶的角度，以确保它水平。
3. 3. The angle between the two lines determines the length of the triangle.
   两条线之间的夹角决定了三角形的长度。