这些数字45,90,135,180,225,270,315,360 各是什么角?

问题描述:

这些数字45,90,135,180,225,270,315,360 各是什么角?

888-88-8=888,888-88-8=888 888-88-8=888,888-88-8=888,888-88-8=888,889-88-9=888,881-88-1=888 8 898-89-8=888,818-81-8=881,818-81-8=881,818-81-8=881,818-81-8=881 818-81-8=881,818-81-8=881,8

45 锐角
90 直角
135 钝角
180 平角
225 钝角
270 钝角
315 钝角
360 周角