Question

Write a program to calculate area of a circle whose r = 2.3f​

Answer 1

Answer:

code in c++

Explanation:

#include<bits/stdc++.h>

using namespace std;

int main ()

{

float pi=3.143,r=2.3,area;

area=pi*r*r;

cout<<area;

return 0;

}

Answer 2

Answer:

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Explanation:

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