The ratio of radius of a circle and the side of a square is 2 : 3. Find the ratio of their areas:  Choose the most appropriate option:  A) 2 : 1  B) 4 : 9  C) 8 : 77  D) 4 : 121  E) None
radius/side = 2/3   â‡’ area of circle/area of square= 4/9   Answer: 4 : 9
<result>B</result>
The ratio of radius of a circle and the side of a square is 2 : 3. Find the ratio of their areas: