Find the water volume, then divide by the new base area.<br><br>
&bull; Water volume = 25 × 14 × 10 = 3500 cm&sup3;<br>
&bull; New base area = 35 × 10 = 350 cm&sup2;<br>
&bull; Water height = 3500 ÷ 350 = 10 cm<br><br>
Final Answer: 10 cm