The length of square A is 5 cm. Square B has an area of 100 $$cm^2$$. <hr>The ratio of the length of square A to the length of square B is<br> <input min="0" type="number" id ="imp5pg099q1_1" class="lineinput" placeholder="?" /> : <input min="0" type="number" id ="imp5pg099q1_2" class="lineinput" placeholder="?" />.