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just because

destrekor

destrekor

Lifer
Saw a similar question elsewhere, and want to quiz ATOT to see how long it will take to arrive at the correct answer.

The time is 6:40, as displayed on a wall clock. Looking at the minute and hour hands, what is the angle formed by the two hands?

Similarly, what is the angle formed when the clock reads 2:10?

No, this is not homework. This is hopefully amusement.

edit for clarification.

this is a round clock, that conforms to all typical clock conventions.

Hour hands move throughout the hour, they don't just tick to the next number once the full 60 minutes pass.
 
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Let's see here, each number is 30 degrees, so let's go with 60 degrees, final answer.

2:10 is 0 degrees?

What do I win?
 
destrekor said:
Saw a similar question elsewhere, and want to quiz ATOT to see how long it will take to arrive at the correct answer.

The time is 6:40, as displayed on a wall clock. Looking at the minute and hour hands, what is the angle formed by the two hands?

Similarly, what is the angle formed when the clock reads 2:10?

No, this is not homework. This is hopefully amusement.
Click to expand...

That depends on the clock, but in your hypothetical, it's ten minutes. Yeah, that's an angle.

Edit: I was wrong

In a full circle there are 360 degrees.Each degree is split up into 60 parts, each part being 1/60 of a degree. These parts are called minutes.
Click to expand...

Thus 60 degrees x 60 minutes is 3,600 minutes and I want my cell phone plan to adhere to this accordingly.
 
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Okay, to clarify:

this is a round clock, that conforms to all typical clock conventions.

Hour hands move throughout the hour, they don't just tick to the next month once the full 60 minutes pass.

Has nobody seen an analog wall clock? This is sad.

Nobody is right so far. And amusement has been found.

Keep trying.
 
when was the last time all of you looked at analog clocks?

the hour hand should be 2/3 of the way to 7 from 6. assuming the numbers are spaced properly, the hour hand should be at 200 degrees and the minute hand should be at 240.
 
Seems kind of mathy to me. I don't know if I want to put that much thought into it. Maybe I will. I have to see if I'm motivated enough :^D
 
ElFenix said:
when was the last time all of you looked at analog clocks?

the hour hand should be 2/3 of the way to 7 from 6. assuming the numbers are spaced properly, the hour hand should be at 200 degrees and the minute hand should be at 240.
Click to expand...

analog clocks can suck it.
 
ElFenix said:
when was the last time all of you looked at analog clocks?

the hour hand should be 2/3 of the way to 7 from 6. assuming the numbers are spaced properly, the hour hand should be at 200 degrees and the minute hand should be at 240.
Click to expand...

someone... has seen... a clock?
YAY
:biggrin:
You can has Google interview question #2, perhaps? 😀

6:40 is officially solved. No angle was given, however, given people can at least divide and multiply it seems, they should be able to deduce it as 40 degrees.

Now quickly, someone make be proud and give the correct answer for 2:10. The hard work has already been done. 😛
 
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destrekor said:
indeed. 🙂
Click to expand...

Is there an easy trick to figure the math. I think I may have done it the hard way, but I'm not too good at math.

Here's my convoluted thinking...

Every 5'=30° so that takes care of the minute hand. Then I ran into problems with the hour hand. I figured every 15'=7.5°, so I did 7.5/15*10 to get the answer. Should it be more obvious than actually doing the math?
 
lxskllr said:
Is there an easy trick to figure the math. I think I may have done it the hard way, but I'm not too good at math.

Here's my convoluted thinking...

Every 5'=30° so that takes care of the minute hand. Then I ran into problems with the hour hand. I figured every 15'=7.5°, so I did 7.5/15*10 to get the answer. Should it be more obvious than actually doing the math?
Click to expand...

The way I did it, and which is basically the way shown in the link I posted, is for the hour, take the fraction of whatever the number of minutes passed into the hour itself, and use that fraction to arrive at the hour hand's travel.

So, 10 minutes is 1/6 of an hour, so the hour hand moves 1/6 of the way toward the next hour number. Each passing complete hour is 30 degrees, so 1/6 of 30 means the hour hand has moved 5º.
 
destrekor said:
The way I did it, and which is basically the way shown in the link I posted, is for the hour, take the fraction of whatever the number of minutes passed into the hour itself, and use that fraction to arrive at the hour hand's travel.

So, 10 minutes is 1/6 of an hour, so the hour hand moves 1/6 of the way toward the next hour number. Each passing complete hour is 30 degrees, so 1/6 of 30 means the hour hand has moved 5º.
Click to expand...

Ok, that's not too much different then. I didn't know if there was an easy "trick" where you could almost tell at a glance(for someone who isn't fast with numbers).
 
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