Homework Help: geometry

Posted by damon on Wednesday, December 7, 2011 at 3:13pm.

A regular hexagon is composed of 12 congruent 30-60-90 triangles. If the length of the hypotenuse of one of those triangles is 18 square root 3, find the perimeter of the hexagon.

geometry - Steve, Wednesday, December 7, 2011 at 3:29pm
sin30° = 1/2
half a side is thus 9√3
so, 12 sides will be ???

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