document.write( "Question 706010: Triangle DEF is isosceles. Angle D measures 20 degrees. what is the measure of angle E in degrees?
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Algebra.Com's Answer #434918 by solver91311(24713) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "Depends.\r
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\n" ); document.write( "\n" ); document.write( "You don't bother to mention which segment, DE, EF, or FD is the base, nor do you say which angle, D, E, or F is the vertex angle.\r
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\n" ); document.write( "\n" ); document.write( "So you either have a vertex angle D that measures 20 degrees and two other angles that are equal in measure and the sum of all three is 180 degrees, or angle E has to be congruent to angle D.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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