【单选题】【消耗次数：1】
150°是多少（ ）弧度
①
img class=kfformula src=zzximg/20190808/1565257005999778.png data-latex=\frac {\pi } {3} width=86 height=74/
②
img class=kfformula src=zzximg/20190808/1565257005614576.png data-latex=\frac {5\pi } {6} width=76 height=66/
③
img class=kfformula src=zzximg/20190808/1565257005206984.png data-latex=\frac {\pi } {6} width=76 height=63/
④
img class=kfformula src=zzximg/20190808/1565257005588648.png data-latex=\frac {2\pi } {3} width=84 height=58/
参考答案：
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