The ratio of the radius of two circles is 4: 3, and then the ratio of their areas is?	Choices:
A) 1: 8  B) 1: 6  C) 1: 9  D) 16: 9  E) 1: 2
r1: r2 = 4: 3   Πr12: Πr22   r12: r22 = 16: 9   Answer:16: 9
<result>D</result>
The ratio of the radius of two circles is 4: 3, and then the ratio of their areas is?