document.write( "Question 158010: Given: ∠1 and ∠2 are complementary. \r
\n" ); document.write( "\n" ); document.write( "∠3 and ∠4 are complementary.\r
\n" ); document.write( "\n" ); document.write( "∠1 ≅ ∠3\r
\n" ); document.write( "\n" ); document.write( "Prove Theorem 4-6 - if two angles are complements of congruent angles, then they are congruent - by proving ∠2 ≅ ∠4.
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Algebra.Com's Answer #116441 by integral13(8)\"\" \"About 
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1. angle 1 and angle 2 are complementary 1. Given
\n" ); document.write( "2. angle 3 and 4 are complementary 2. Given
\n" ); document.write( "3. angle 1 and 3 are congruent 3. Given
\n" ); document.write( "4. angle 2 is congruent to angle 4 4. angle comp. to congruent angles are congruent
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