The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?

2 answers

1. A = pi * r^2
   28.26 = 3.14 * r^2
   28.26 / 3.14 = r^2
   9 = r^2
   3 = r
   
   D = 2r

   Answer ID
   525323

   Created
   April 4, 2011 7:08pm UTC

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   https://questions.llc/answers/525323

2. The ratio of the circumference of a circle to its diameter is called π. The ratio of the circumference to the diameter of a circle is 28.26 cm to 9 cm.

   Answer ID
   2168887

   Created
   March 19, 2021 2:26pm UTC

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   URL
   https://questions.llc/answers/2168887