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The area of the circle is defined as A = π . R2, having π as 3.14159.

Calculate the area using the formula given in the problem description.
Input

Read the variable R (double precision), that is the radius of the circle.
Output

Print the variable A, rounded to four decimal digits.
i dont know how to round it to four decimal digits please anybody help me !

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  • Latest Post Latest Post by NathanOliver
Member Avatar for NathanOliver

Well you can make your own rounding function or you could use setpercision

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