Mathematics, 26.07.2019 16:30 cuhh
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. find the exact area of the larger circle find the exact area of the smaller circle. write an expression to find the exact area of the sidewalk (shaded portion). find the approximate area of the sidewalk. use 3.14 to approximate π.find the exact area of the larger circle. show your work. (1 point) a= n x 11 2 a = n? find the exact area of the smaller circle. show your work. (1 point) a= n 9 2 a=n? write an expression to find the exact area of the sidewalk (shaded portion). show your work. (2 points) 11 2 – 9 2 x n find the approximate area of the sidewalk. use 3.14 to approximate π. show your work. (1 point) 11 2 x 3.14 – 9 2 x 3.14=
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