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prealgebra intermediate

Problem

What is the measure, in degrees, of the acute angle formed by the minute hand and the hour hand on a standard clock when it indicates :?
Solution
The hour hand is of the way from the 9 to the 10 on the clock, which the minute hand is on the 8. Between any two numbers on the clock there are degrees. Thus, the angle between the two hands is degrees.
Final answer
50