document.write( "Question 360567: I need to measure the height of a building using the pythagorean theorem, using shadows and a fence or a post and measure the shadows. I understand what I have to do but I can't figure out how to get my answer. I can get the measurements of the post and it's shadow but the building all I have is the length of the shadow now what do I do? \n" ); document.write( "
Algebra.Com's Answer #257261 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
set it up in a proportion.
\n" ); document.write( "f shadow over fence=p shadow over x
\n" ); document.write( "multiply f shadow by x
\n" ); document.write( "multiply p shadow by the fence
\n" ); document.write( "solve for x
\n" ); document.write( "
\n" );