Saturday

April 18, 2015

April 18, 2015

Posted by **mier** on Sunday, March 9, 2014 at 7:40pm.

- math trig -
**Steve**, Monday, March 10, 2014 at 5:37amIf B is at distance x from the tower of height h,

h/x = tan 46°

h/(x+80) = tan21°

so, eliminating x, we get

h/tan46° = h/tan21° - 80

Now just solve for h

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