aarush sat down to study at 8am.The angle of elevation of the sun was 150.When he had finished studying the angle of elevation of the sun was 550.

how long did Aarush study?

  1. 40 min
  2. 1 hour 20 min
  3. 2hours 23 mins
  4. 2hours 40 mins

do you experts exist or are you just namesake experts.please answer my queries.

  • 6

1. 40 min.

  • 1

To figure out how far the sun moves per hour, you take the number of degrees in a circle, 360, and divide it by the number of hours in a day, 24. This comes to 15 degrees per hour. The angle changes from 15 degrees to 55 degrees, a 40 degree difference. Divide 40 degrees by 15 degrees to figure out how many hours. In this case it comes to 2 2/3 hours, or (D) 2 hours 40 minutes.

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