document.write( "Question 54296: find the altitude of an isosceles triangle with sides of 13 inches and a base of 10 inches \n" ); document.write( "
Algebra.Com's Answer #36540 by stanbon(75887)\"\" \"About 
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find the altitude of an isosceles triangle with sides of 13 inches and a base of 10 inches.
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\n" ); document.write( "Draw the triangle as described.
\n" ); document.write( "Draw the altitude from the base to the vertex opposite.
\n" ); document.write( "The altitude bisects the base into two segments of size 5.
\n" ); document.write( "Use Pythagoras to find the altitude.
\n" ); document.write( "13^2= (altitude)^2 + 5^2
\n" ); document.write( "(alt)^2=169-25=144
\n" ); document.write( "alt=12
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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