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Mathematics, 19.07.2019 12:30 lindsay45
3. 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 or equation for the exact area of the sidewalk. (b) find the approximate area of the sidewalk. use 3.14 to approximate π.
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3. at a zoo, the lion pen has a ring-shaped sidewalk around it. the outer edge of the sidewalk is a...
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