Find the area of the ring between two concentric circles of radii 4 dm and 6 dm

Question

ASAP answer thank you! 💗

Answer 1

radii = 4 dm and 6 dm

area of larger circle = pi(r)^2 =pi(6^2)= 36pi

area of smaller circle = pi(r)^2 =pi(4^2) = 16pi

area of the ring= 36pi-16pi = 20 pi dm^2

= about 20(3.14) =about 62.8 dm^2