Posted by **Shane** on Saturday, June 7, 2014 at 7:33pm.

John wishes to determine the height of a flagpole. He takes a sighting of the top of the flagpole from point P. He then moves further away from the flagpole by 20 metres to point Q and takes a second sighting. Given the angle Q is 28 degrees and angle P is 53 degrees.

Find how high is the flagpole?

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