document.write( "Question 329118: The altitude of a triangle is 4 cm longer than it's base. If the area of the triangle is 30 cm square, find the base and it's altitude. \n" ); document.write( "

Algebra.Com's Answer #235842 by Fombitz(32388) $\"\"$ $\"About$

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$\"A=%281%2F2%29bh=30\"$
\n" ); document.write( " $\"%281%2F2%29b%28b%2B4%29=30\"$
\n" ); document.write( " $\"b%5E2%2B4b=60\"$
\n" ); document.write( " $\"b%5E2%2B4b-60=0\"$
\n" ); document.write( " $\"%28b%2B10%29%28b-6%29=0\"$
\n" ); document.write( "Only positive b solutions make sense here.
\n" ); document.write( " $\"b-6=0\"$
\n" ); document.write( " $\"b=6\"$
\n" ); document.write( "Then
\n" ); document.write( " $\"h=6%2B4=10\"$ \r
\n" ); document.write( "
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