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

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.

Problem Answer:

The height of a lamp post is 16.58 meter.

Solution:

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