Answer :

lekhagummalla
The minute hand and hour hand of a clock have 12 right angles to each other.

Answer:

Step-by-step explanation:

The hands are at right angles to each other twice in every hour except that the only time between 2:00 and 3:00 is just after 2:27 and the only time between 8:00 and 9:00 is just after 8:27

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