document.write( "Question 549576: A flagpole is 12 ft tall casts a 9 foot-shadow. How far is it from the top of the flagpole to the tip of the shadow?
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Algebra.Com's Answer #357877 by mathie123(224)\"\" \"About 
You can put this solution on YOUR website!
This is just a right angled triangle with a base of 9, and a height of 12 (assuming the pole is not tilted, which I would think is a safe assumption)\r
\n" ); document.write( "\n" ); document.write( "So we have a special theorem to find the length of the remaining side (what we are looking for). Pythagorean theorem!\r
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\n" ); document.write( "\n" ); document.write( "This says:
\n" ); document.write( "\"a%5E2%2Bb%5E2=c%5E2\"
\n" ); document.write( "where c is the hypotenuse \r
\n" ); document.write( "\n" ); document.write( "so we have
\n" ); document.write( "\"12%5E2%2B9%5E2=c%5E2\"
\n" ); document.write( "\"144%2B81=c%5E2\"
\n" ); document.write( "\"225=c%5E2\"
\n" ); document.write( "\"c=sqrt%28225%29=15\"\r
\n" ); document.write( "\n" ); document.write( "So the distance from the top of the flagpole to the tip of the shadow is 15 ft. ((for questions like these, draw a picture first-- it helps a ton!)) \r
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