The ﬁgure shows two circles, A and B, overlapping. The ratio of the area of unshaded part of circle A to the area of shaded part of circle A to the area of unshaded part of circle B is 2 : l : 8. The radius of the circle A is 6.3 cm. <hr> Find the area of circle B. (Take π = $$\frac{22}{7}$$) <br> The area of the circle is <input min="0" type="number" id ="imp6pg191q9_1" class="lineinput" placeholder="?" /> $$cm^2$$