We're learning proportions in Triangles in Geometry and I don't understand how to solve this problem. The directions are solve for x. http://s1159.beta.photobucket.com/user/aikerd26/media/Geometry_zps1617494d.jpg.html?sort=3&o=0

Question

jim_thompson5910 · Answer

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jim_thompson5910 · Answer

The three triangles are similar, so

h/x = y/h

which means

h^2 = xy

and

h = sqrt(x*y)

anonymous · Answer

Crap sorry I forgot there was an 18 where the long line is!

anonymous · Answer

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anonymous · Answer

So like that

jim_thompson5910 · Answer

so this the triangle

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