#include<stdio.h>

void main()
{
    float radiance,degree;
        printf("Enter the radiance value :");
        if(scanf("%f",&radiance)==1)
        {
            degree=radiance*180;
            printf("%0.2f radiance= %0.2f degree",radiance,degree);
        }
        else
        {
            printf("error,enter correct value");
        }
}



======================================OUTPUT===================================


Enter the radiance value :0.5
0.50 radiance= 90.00 degree