Answer:
Step-by-step explanation:
(For a circle)
Circumference formula: π*2r
Area formula: π*r^2
1:
A)
π*2(3) =>6π=>18.84 m
B)
π*(3)^2=>9π=>28.27 m^2
2.
π*2(3.1)=>6.2π=>19.47 m
π*(3.1)^2=>9.61π=>30.19 m^2
