Mathematics, 24.01.2020 19:31 LoveSchool5617
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.
(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.
Answers: 3
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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...
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