homework 3/1/17

1.
/*meters to miles conversion*/
#include <stdio.h>
#include <math.h>
int main(void)
{
    /* the variables meters and miles */
    double m=10000, mi;
    /* formula */
    mi=.000621371192*m;
    /*print distance in miles */
    printf("The distance from meters to miles is""%5.2f \n", mi);
    /* exit */
    return 0;
}
/*end*/

2.
/*Celsius to Rankine conversion*/
#include <stdio.h>
#include <math.h>
int main(void)
{
    /* the variables Celsius and Rankine */
    double C=100, R;
    /* formula */
    R=1.8*(273.15+C);
    /*print temp in rankine */
    printf("The temperature in rankine is" "%5.2f \n",R);
    /* exit */
    return 0;
}
/*end*/

3.
/*calculate ellipse area*/
#include <stdio.h>
#include <math.h>
int main(void)
{
    /* the variables a,b,A,pi */
    double A, pi=3.14, a=1,b=2;
    /* formula */
    A=pi*a*b;
    /*print area of ellipse */
    printf("The area of ellipse is" "%5.2f \n",A);
    /* exit */
    return 0;
}
/*end*/

4.
/*calculate sector of a circle area*/
#include <stdio.h>
#include <math.h>
int main(void)
{
    /* the variables A,r,theta,pi */
    double A, pi=3.14, theta=180,r=5;
    /* formula */
    A = pi*(r*r)*(theta/360);
    /*print area of circle */
    printf("The area of sector of circle is" "%5.2f \n",A);
    /* exit */
    return 0;
}
/*end*/