A few days ago
jenjen

What time of day is it when the hour hand is perpendicular to the minute hand and the minute hand points to the number 12?

A few days ago
hayharbr

either 3:00 or 9:00

Perpendicular means a right angle like the corner of a piece of paper

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A few days ago
K
When the minute hand points to the 12, the hour hand rests exactly on a number. The numbers 3 and 9 happen to be perpendicular to the 12, so it is either 3 or 9 o’clock.
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A few days ago
wacky_racer
3:00 am, 9:00 am, 3:00 pm or 9:00 pm. Or you may put it in 3, 9, 15 or 21 hours of the day.
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A few days ago
Cheetah
I think it is 3:00 or 9:00 because perpendecular is two straight lines that dont touch
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A few days ago
Anonymous
3 or 9 oclok
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A few days ago
Real Vampires Sparkle
it is 6:00

vertical; straight up and down; upright.

2. Geometry. meeting a given line or surface at right angles.

or it could be 3:00 or 9:00 like the other people say.

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A few days ago
Anonymous
either 3:00 or 9:00

it can be both

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