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December 19, 2014

December 19, 2014

Posted by **rim** on Tuesday, January 17, 2012 at 6:08am.

- math -
**drwls**, Tuesday, January 17, 2012 at 6:41amLet the height of the multistory building be y and the distance between them be x. The draw yourself a figure.

You should be able to convince yourself that

y/x = tan 45 = 1

(y-8)/x) = tan30 = 0.5774 = (x-8)/x

1 - (8/x) = 0.5774

8/x = 0.4226

x = 18.9 m

y = 18.9 m

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