document.write( "Question 71698: The Air Force Acedmy Cadet Chapel has 17 spires that point to the sky. Each spire is an isoscelea triangle with a 40 degrees vertex angle. Find the measures of the base angles. \n" ); document.write( "
Algebra.Com's Answer #51278 by stanbon(75887)\"\" \"About 
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Each triangle has angles whose sum is 180 degrees.
\n" ); document.write( "If the vertex angle is 40 degrees, that leaves 140 degrees for the other two.
\n" ); document.write( "If the triangle is isosceles the base angles are equal.
\n" ); document.write( "So 2x=140 and each angle is 70 degrees.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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