Answer:
490
Step-by-step explanation:
the equation is A = π x r^2
find the radius which is half of 25, 25 divided by 2= 12.5
multiply the radius by itself to square it so its going to be 156.25
multiply the results with pi
156.25 x 3.14= 490.625
round it to the nearest 10 is going to be 490
