Mathematics

👨🏻‍🏫 學術台數學

[匿名]

2010-08-21 8:02 pm

At 2:24p.m.,how many degrees is the obtuse angle between the hour-hand and the minute-hand of the clock?

回答 (2)

kigrstar

2010-08-26 3:31 am

✔ 最佳答案

360 x 1/4 + ( 360 x 1/4 x 2/3 + 360 x 1/12 x 3/4 ) =90 + ( 60 + 22.5 ) =90 + 82.5 =172.5 The obtuse angle is 172.5 degrees.

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Stanley

2010-08-21 8:33 pm

At 2:24p.m.,about 72 degrees is the obtuse angle between the hour-hand and the minute-hand of the clock.

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