document.write( "Question 1095420: Prove that a cyclic trapezium is an isosceles trapezium
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Algebra.Com's Answer #709950 by ikleyn(52908)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "    - Two parallel secants to a circle cut off congruent arcs\r
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\n" ); document.write( "\n" ); document.write( "This statement was proved there.\r
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