The radius of the two circular fields is in the ratio 5: 4 the area of the first field is what percent greater than the area of the second?	Choose the correct option:
A) 22%
B) 32%
C) 34%
D) 64%
E) 36%
r = 5 Ï€r2 =25   r = 4Ï€r2 = 16   25 Ï€ â€“ 9Ï€   100 ---- ? =&gt; 36%.Answer:64%
<result>D</result>
The radius of the two circular fields is in the ratio 5: 4 the area of the first field is what percent greater than the area of the second?