Posted by **Lea** on Monday, April 20, 2009 at 7:39pm.

In a 30-60-90 triangle howdo you do the pathagerum therum

- math -
**drwls**, Monday, April 20, 2009 at 7:43pm
The same way you always do it.

a^2 + b^2 = c^2

In this case, if the smallest side is a,

a = c/2, because of the 30 degree angle.

c^2/4 + b^2 = c^2

b^2 = (3/4)c^2

b = c (sqrt3)/2

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