Mathematics, 23.07.2019 09:00 rosemary909

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 11 m. the inner edge of the sidewalk is a circle with a radius of 9 m. (q. 1) write and simplify an expression for the exact area of the sidewalk. (q. 2) find the approximate area of the sidewalk. use 3.14 to approximate π.

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At a zoo, the lion pen has a ring-shaped sidewalk around it. the outer edge of the sidewalk is a cir...