document.write( "Question 1067126: The base of a triangle is 3 feet less than the height. If the base is increased by 6 feet, the area is increased by 30 feet. Find the base and the height of the original triangle. \n" ); document.write( "
Algebra.Com's Answer #682377 by josgarithmetic(39618)\"\" \"About 
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Original triangle
\n" ); document.write( "base b
\n" ); document.write( "height h
\n" ); document.write( "base b=h-3
\n" ); document.write( "area \"%281%2F2%29%28h-3%29h\"\r
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\n" ); document.write( "\n" ); document.write( "Increased base, new triangle
\n" ); document.write( "area \"%281%2F2%29%28h-3%2B6%29h\"
\n" ); document.write( "\"%281%2F2%29%28h%2B3%29h\"\r
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\n" ); document.write( "\n" ); document.write( "New triangle is area 30 square feet more.
\n" ); document.write( "\"highlight_green%28%281%2F2%29%28h%2B3%29h-%281%2F2%29%28h-3%29h=30%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"h%5E2%2B3h-%28h%5E2-3h%29=60\"
\n" ); document.write( "\"6h=60\"
\n" ); document.write( "\"highlight%28h=10%29\"
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\n" ); document.write( "\"b=h-7\"
\n" ); document.write( "\"highlight%28b=7%29\"
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