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A circular garden has diameter 2.4 m. a) The garden is to be enclosed with plastic edging. How much edging is needed? b) The edging costs $4.53/m. What is the cost to edge the garden?

Guest Jan 3, 2018
edited by Guest  Jan 3, 2018
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a)  The perimeter of a circle  =  pi  * diameter  =  pi * 2.4  ≈  7.54 m

 

b ) So....the cost of the edging is  perimeter * cost per meter

 

Cost  =  pi * diameter *  4.53  = 

 

 pi  *  2.4 *  4.53  ≈    $34.16

 

 

cool cool cool

CPhill  Jan 3, 2018

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