Hands

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

Consider the continuous movement of both hands hours.

Result

x =  15.25 min

Solution:


360/60*x - 360/3600*x = 90

21240x = 324000

x = 900/59 ≈ 15.254237

Calculated by our simple equation calculator.








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