The cut-away square has side 7 cm.<br>
&bull; Area cut away = 7 × 7 = 49 cm&sup2;.<br><br>
Area of the original paper = 228 cm&sup2; (from the figure).<br>
&bull; Remaining area = 228 − 49 = 179 cm&sup2;.<br><br>
Final Answer: 179 cm&sup2;