The figure below shows a piece of square paper folded at the bottom corner N. <hr> Find $$\angle MQN$$ <input min="0" type="number" id ="imp6pg037q10_1" class="lineinput" placeholder="?" /> $$\angle NRO$$ <input min="0" type="number" id ="imp6pg037q10_2" class="lineinput" placeholder="?" />