
A linear pair is a pair of adjacent angles formed when two lines intersect. linear pair 就是一对邻角 当两条直线相交叉时形成的。 linear pair of angles 对角线

A linear pair is a pair of adjacent angles formed when two lines intersect. linear pair 就是一对邻角 当两条直线相交叉时形成的。 linear pair of angles 对角线