document.write( "Question 909429: A triangle has side lengths measuring 30, 40, and 50 units. What is the length of its shortest altitude, in units? \n" ); document.write( "
Algebra.Com's Answer #551870 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "A triangle has side lengths measuring \"a=30\", \"b=40\", and \"c=50\" units is an right angle triangle.\r
\n" ); document.write( "\n" ); document.write( "In a right triangle the three altitudes are: \"h%5Ba%5D\", \"h%5Bb%5D%2C+and+%7B%7B%7Bh%5Bc%5D\" (the first two of which equal the leg lengths \"a\" and \"b\" respectively) and they are related according to\r
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\n" ); document.write( "\n" ); document.write( "\"1%2Fh%5Ba%5D%5E2%2B1%2Fh%5Bb%5D%5E2=1%2F+h%5Bc%5D%5E2\"\r
\n" ); document.write( "\n" ); document.write( "plug in \"h%5Ba%5D=30\" and \"h%5Bb%5D=40\"\r
\n" ); document.write( "\n" ); document.write( "and find \"h%5Bc%5D\"\r
\n" ); document.write( "\n" ); document.write( "\"1%2F30%5E2%2B1%2F40%5E2=1%2F+h%5Bc%5D%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"1%2F900%2B1%2F1600=1%2F+h%5Bc%5D%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"1600%2F1440000%2B900%2F1440000=1%2F+h%5Bc%5D%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"%281600%2B900%29%2F1440000=1%2F+h%5Bc%5D%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"25cross%280%29cross%280%29%2F14400cross%280%29cross%280%29=1%2F+h%5Bc%5D%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"25%2F14400=1%2F+h%5Bc%5D%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"cross%2825%291%2Fcross%2814400576%29=1%2F+h%5Bc%5D%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"1%2F576=1%2F+h%5Bc%5D%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"h%5Bc%5D%5E2=576\"\r
\n" ); document.write( "\n" ); document.write( "\"h%5Bc%5D=sqrt%28576%29\"\r
\n" ); document.write( "\n" ); document.write( "\"h%5Bc%5D=24\" ...so, this is the length of shortest altitude\r
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