Mathematics, 02.03.2021 22:00 sullivanjakob

Pls answer asap and post explanation if u can At a zoo, the lion pen has a ring-shaped sidewalk around it. The outer edge of the sidewalk is a circle with a radius of 12 m. The inner edge of the sidewalk is a circle with a radius of 8 m.

(a) Write and simplify an expression for the exact area of the sidewalk.
(b) Find the approximate area of the sidewalk. Use 3.14 to approximate π.

Pls answer asap and post explanation if u can

At a zoo, the lion pen has a ring-shaped sid

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Pls answer asap and post explanation if u can At a zoo, the lion pen has a ring-shaped sidewalk aro...