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10y ago

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At what hourly times do the hands on a clock form right angles?

twice an hour, at the 15 minute mark and 45 minute mark.


If a round analog clock featuring numbers 1-12 is hung on the wall upside down the minute hand will point to the right of the viewer when the time reads two forty-five?

When a round analog clock is hung upside down, the "12" position will now be at the bottom, and the "6" position will be at the top. In this orientation, the minute hand will point to the right of the viewer when the time reads two forty-five, as the minute hand will be pointing towards the "3" position on the clock face. This is because the minute hand points to the minute marker corresponding to the number of minutes past the hour.


Why is 330 on clock not a right angle?

For 3:30 to be a right angle, the hour hand would point to the 3 and the minute hand would point to the 6. But the hour hand will be halfway between the 3 and the 4, hence not a right angle.Also, at 3:30 the angle of the hour hand would be at 105 degrees, the minute hand at 180, and the angular distance between both would be 75 degrees.


Can you add up all the numerals from 1 to 100 in less than a minute?

Well the average would be about 50, right? What if you just multiply 50 times 100 and get 5000? You can do that in less than a minute. I don't know it may come out to 5050.


What type of angle would be formed by a clock's hands when it is 3?

The hands form a right angle. At 3 o'clock, the minute hand points straight up, and the hour hand points straight to the right.