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September 21, 2014

September 21, 2014

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

Find how high is the flagpole?

- maths -
**Steve**, Saturday, June 7, 2014 at 10:52pmIf P is x meters from the base of the pole of height h, then

h/x = tan 53°

h/(x+20) = tan 28°

eliminate x and you have

h cot 53° = h cot 28° - 20

h = 20/(cot28°-cot53°)

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