Write a program that reads an integer that represents the radius of a given circle and calculates its area. To calculate the area of a circle, use the following formula: .
Print the result rounded to 2 decimal places.
Write a program that reads an integer that represents the radius of a given circle and calculates its area. To calculate the area of a circle, use the following formula: .
Print the result rounded to 2 decimal places.
Sample Input 1:
5Sample Output 1:
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