Multiple choice

(Clock angle) What is the angle between hour and minute hands at 7 : 20?

  1. 100°

  2. 110°

  3. 120°

  4. 130°

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A Correct answer
Explanation

Angle = |30H - 5.5M|. At 7:20, H=7, M=20. Angle = |30*7 - 5.5*20| = |210 - 110| = 100 degrees.

AI explanation

Using the clock angle formula of 30H minus 5.5M, we substitute H as 7 and M as 20. This gives 210 minus 110, which equals an angle of 100 degrees.