document.write( "Question 1045777: In quadrilateral WXYZ, XZ bisects WXY and WZY. Prove that XWZ = XYZ. \n" ); document.write( "

Algebra.Com's Answer #661273 by ikleyn(52832) $\"\"$ $\"About$

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\n" ); document.write( "In quadrilateral WXYZ, XZ bisects WXY and WZY. Prove that XWZ = XYZ.
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document.write( "From the condition, the sum of two angles, WXZ and WZX, of the triangle WXZ \r\n" );
document.write( "is equal to the sum of two angles, ZXY and XZY, of the triangle XYZ.\r\n" );
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document.write( "Since the sum of two angles of one triangle equals the sum of two angles of the other triangle, the third angles of the triangles are congruent.\r\n" );
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