how to count area of a circle using C#

Question

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Answer 1

Morning Flower

No we don't provide complete code. Show your efforts.

Answer 2

area = πr²

Answer 3

but i need complet c# code

Answer 4

Please, search at first. this question is so obvious

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Answer 5

I am not familiar with the syntax of C# but I am sure that this method will work-

radius = input();
area = (22/7)*r*r;
print(area)

Just convert it to C# syntax and then it will definitely work.

Hope it helps!