Hands

The clock shows 12 hours. After how many minutes will angle between the hour and minute hand 90°?

Consider the continuous movement of both hands hours.

Result

x =  16.36 min

Solution:


360/60*x - 360/(12*60)*x = 90

330x = 5400

x = 18011 ≈ 16.363636

Calculated by our simple equation calculator.



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