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8：45时针与分针夹角多少度

2025-03-31 17:31:32

推荐回答（2个）

回答1：

以12点为0度，则此时分钟指向270度。
8点时时钟指向240度。时钟每小时转30度，45分钟转了30*0.75=22.5度。所以此时时钟的位置是262.5度。
时钟与分钟的夹角就是270-262.5=7.5度。

回答2：

30度（8刻度与9刻度夹角）- 22。5度（时针过45分钟，即45/60=3/4，转过30*3/4=22。5）
=7。5度

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