中国农业银行
单选题时钟在3:25时,时针和分针所形成的夹角是( )。

参考答案:B进入在线模考
【答案】B。解析:时针在3:25时,分针刚好指在5的位置上,时针中每一个格为30。,因此现在分针离时针上刻度3的角度为30。x2=600。时针的角速度为0.5。/分。25分钟时针走了12.5。因此时针此时离刻度3的角度为12.50.故时针和分针此时形成的夹角为600—12.50=47.50,选择B。
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