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After Hillary realized her clock was running 30 minutes fast, she used a knob on the clock to turn the minute hand back 30 minutes. Which describes the rotation of the minute hand?
180 degrees clockwise rotation
90 degrees clockwise rotation
180 degrees counterclockwise rotation
90 degrees counterclockwise rotation

Respuesta :

DeanR

30 minutes is half the clock face, 180 degrees.

Forward is clockwise on a clock so backwards is counterclockwise.

180 degrees counterclockwise rotation


I think that’s it’s 90