SOLUTION: A cow is tied to a post at the centre of square grazing field of size 25 m by a rope 10 m long. Find, correct to two decimal places the percentage of the field the cow is able to g

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Question 1163470: A cow is tied to a post at the centre of square grazing field of size 25 m by a rope 10 m long. Find, correct to two decimal places the percentage of the field the cow is able to graze on. (Take π = 22/7)
Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
.

The area of the square is  25^2 = 625 square meters.


The area of the circle is   =  square meters.


The percentage is   percents.


Substitute here  pi =  and use your calculator to complete the job.


If you do not have a calculator, use this free of charge online calculator at the site


    https://desmos.com/calculator



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