Solution: Find the height of a lamp post if the angle of elevation changes

(Last Updated On: January 25, 2020)

Find the height of a lamp post if the angle of elevation of its top changes

Problem Statement:

Find the height of a lamp post if the angle of elevation of its top changes from 20 degrees to 40 degrees as the observer 1.8 meters tall advances 23 meters toward the base.

  • A. 15.68
  • B. 18.65
  • C. 16.58
  • D. 19.48

Problem Answer:

The height of a lamp post is 16.58 meter.

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