1) Write a program to calculate area of circle using constants
Anonymous School
(Minds of Hacker)
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Write a program to calculate area of circle using constants.
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#include<iostream>using namespace std;const float pi=3.14159265;int main(){float radius;cout<<"Enter the radius of circle\n ";cin>>radius;radius=pi*(radius*radius);cout<<"\n\nArea of circle = "<<radius;}
Output:
Enter the radius of circle
60
Area of circle = 11309.7
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