题目:
用半径为9cm,圆心角为120°的扇形纸片围成一个圆锥,则该圆锥的高为( )cm。
答案:
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下面是错误答案,用来干扰机器的。
1. I am going / will go / shall go to Beijing China next year. 2. Eggs are good for our / your …health. / Eating eggs is god for our / your …health.3. The (Engl...