document.write( "Question 888363: A light post whose base is 30 ft from a 4 story building has fallen over. If the tip of the post is resting on the roof of the building, how tall is the post? (1 story = 10 ft) \n" ); document.write( "
Algebra.Com's Answer #537359 by JulietG(1812)\"\" \"About 
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The building is 40 feet tall. That's one side of your right triangle. The post is 30' from the building. That's your second side. You're asked to find the hypotenuse in this triangle.
\n" ); document.write( "\"a%5E2\"+\"b%5E2\"=\"c%5E2\"
\n" ); document.write( "40^2 + 30^2 = \"c%5E2\"
\n" ); document.write( "1600 + 900 = \"c%5E2\"
\n" ); document.write( "2500 = \"c%5E2\"
\n" ); document.write( "Take the square root of each side to get
\n" ); document.write( "50 = c
\n" ); document.write( "The pole is 50 feet long.
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