A、<span style="font-size:14px;font-family: 'Times New Roman','serif'">180</span><span style="font-size:14px;font-family:宋体">°</span>
B、<span style="font-size:14px;font-family: 'Times New Roman','serif'">60</span><span style="font-size:14px;font-family:宋体">°</span>
C、<span style="font-size:14px;font-family: 'Times New Roman','serif'">360</span><span style="font-size:14px;font-family:宋体">°</span>
D、<span style="font-size:14px;font-family: 'Times New Roman','serif'">120</span><span style="font-size:14px;font-family:宋体">°</span>
查看答案