document.write( "Question 969951: If you have three side lengths and you know they can make a triangle how can you figure out if the triangle will be obtuse, acute, or right triangle by just using the lengths? \n" ); document.write( "

Algebra.Com's Answer #592646 by macston(5194) $\"\"$ $\"About$

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\n" ); document.write( "Let a and b be the two shorter lengths and let c be the longest length.
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\n" ); document.write( "If $\"a%5E2%2Bb%5E2=c%5E2\"$ then it is a right triangle.
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\n" ); document.write( "If $\"a%5E2%2Bb%5E2%3Ec%5E2\"$ then it is an acute triangle.
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\n" ); document.write( "If $\"a%5E2%2Bb%5E2%3Cc%5E2\"$ then it is an obtuse triangle.
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\n" ); document.write( "If a=b, it is an obtuse isosceles triangle.
\n" ); document.write( "If a or b=c, it is an acute isosceles triangle.
\n" ); document.write( "If a=b=c, it is an equilateral triangle. \n" ); document.write( "

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