Answer:
44
Step-by-step explanation:
Answer: 27
use the formula for the area of circle and solve for r: A=pi r^2
2290.221=pir^2 <---divide by pi
729=r^2 <--- square root both sides
27=r
which is 0.32 in decimal form
Question: 5.1 x 0.08=?
Answer: 0.408
Hope I could help! :)