document.write( "Question 955553: The figure above shows an isosceles triangle with a height, h, of 4 inches and a perimeter of 16 inches. If the area of the triangle is 12 square inches, and a = c, what is the value of c?\r
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Algebra.Com's Answer #583753 by josgarithmetic(39625)\"\" \"About 
You can put this solution on YOUR website!
\"a%2Bc%2Bb=16\"; \"a=c\";
\n" ); document.write( "\"2a%2Bb=16\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28b%2F2%29%5E2%2Bh%5E2=a%5E2\"
\n" ); document.write( "Given h=4;
\n" ); document.write( "\"%28b%2F2%29%5E2%2B16=a%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "You may be able to ---- solve the system \"highlight_green%282a%2Bb=16%2C%28b%2F2%29%5E2%2B16=a%5E2%29\", and not need to use the given area. The system is two equations in two unknowns.\r
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\n" ); document.write( "\n" ); document.write( "The area equation may be
\n" ); document.write( "\"highlight_green%28%281%2F2%29%2Ab%2A4=12%29\", and this may make finding c easier to do. Maybe not.
\n" ); document.write( ".....this area means, \"b=6\" and you already know \"a%2Bb%2Bc=16\",
\n" ); document.write( "\"b%2Ba%2Bc=16\"
\n" ); document.write( "\"b%2B2c=16\"
\n" ); document.write( "\"6%2B2c=16\"
\n" ); document.write( "\"2c=10\"
\n" ); document.write( "\"highlight%28c=5%29\"\r
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