Write a c program to find volume of a cone

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#include<stdio.h>

#include<math.h>

int main(){

    float radius,height;

    float volume,surfaceArea;

    printf("Enter the radius of base  of cone : ");

    scanf("%f",&radius);

    printf("Enter the height of the cone : ");

    scanf("%f",&height);

    volume =(M_PI * radius * radius)* height ;

    printf("Volume of cone is %f \n", volume);

    surfaceArea = (M_PI * radius * radius) + (M_PI * radius * height);

    printf("Surface area of cone is %f : ",surfaceArea);

    return 0;

}

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Alogrithm:
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