Consider rectangle WXYZ with diagonal XZ. Rectangle W X Y Z is cut diagonally into 2 equal triangles. Angle Y X Z is 26 degrees
and angle X Z W is x degrees. Angles Y and W are right angles. The angle relationship for triangle XYZ is 26° + 90° + m∠YZX = 180°. Therefore, m∠YZX = 64°. Also, m∠YZX + m∠WZX = 90°. So, x = °.