SOLUTION: 12. Solve using the five-step problem-solving process. Show all steps necessary to arrive at your solution. The area of a circle is 45 square meters. What is its circumference? (U

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Question 335341: 12. Solve using the five-step problem-solving process. Show all steps necessary to arrive at your solution.
The area of a circle is 45 square meters. What is its circumference? (Use п = 3.14. Hint: Area of Circle: A = пr2 and Circumference of Circle: C = 2пr)
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
45=pir^2
45=3.14*r^2
r^2=45/3.14
r^2=14.33
r=sqrt13.33
r=3.79 meters ans
c=2pir
c=2*3.14*3.79
c=2*11.9
c=23.8 meters ans. for the circumferance.