document.write( "Question 551347: 1. Provide the reasons for the proof.
\n" ); document.write( "Given: Square ABCD, Diagonals and
\n" ); document.write( "Prove: Angle DEC and Angle BEC are right angles. \r
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\n" ); document.write( "\n" ); document.write( "B.) Is line DC = to line BC? What property of a square is shown? \r
\n" ); document.write( "\n" ); document.write( "C.) Is Line DE = BE? Which property of a parallelogram is shown? \r
\n" ); document.write( "\n" ); document.write( "D.) Angle DEC = BEC? Which triangle congruence postulate is there? \r
\n" ); document.write( "\n" ); document.write( "E. ) Is the Measurement of Angle DEC = to Measurement of angle BEC? Which definition of Congruence? \r
\n" ); document.write( "\n" ); document.write( "F.) Is angle DEC supplementary to angle BEC? Which postulate? \r
\n" ); document.write( "\n" ); document.write( "G.) Measurement of angle DEC + Measurement of angle BEC = 180 degrees? Which definition of supplementary angles is this? \r
\n" ); document.write( "\n" ); document.write( "H.) Measurement of angle DEC + Measurement of angle BEC = 90 degrees? Which substitution and division property of equality? \r
\n" ); document.write( "\n" ); document.write( "I.) If Angle Dec and Angle BEC are right angles which definition of a right angle are they? \r
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Algebra.Com's Answer #559497 by jmkchess(1) $\"\"$ $\"About$

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