Variables Practice Questions Set Solving | Variables In C Language | Variable Practice In C Program

// find area of rectangle by taken arbitrary value of l and b

// find the area of triangle by taken arbitrary value of b and h by scanf function
// find the area of circle by taken arbitrary value of r using scanf function
// write u r * by using char with printf

#include<stdio.h>


int main() {

   // q 1 .find area of rectangle by taken arbitrary value of l and b

    int l;
    printf("Enter the value of l : ");
    scanf("%d",&l);
    
    // printf("Enter the value of b : ");
    // scanf("%d",&b);

    printf("The area of square is : %d", l*l);

    // q 2 .find the area of square by taken arbitrary value of l by scanf function

    // Q : 3 find the area of triangle by taken arbitrary value of b and h by scanf function

    float b,h;
    printf("Enter the value of b : ");
    scanf("%f",&b);
    
    printf("Enter the value of h : ");
    scanf("%f",&h);

    float arTriangle = 0.5*b*h;
    printf("The area of triangle is : %f", arTriangle);


   // Q.4 find the area of circle by taken arbitrary value of r using scanf function

   float r;
   float pie = 3.14;
    printf("Enter the value of radius r : ");
    scanf("%f",&r);
    
   
    float arCircle = pie*r*r ;
    printf("The area of circle is : %f", arCircle);
   
// Q 5. write u r * by using char with printf 

char U = 'u';
char R = 'r';
char star = '*';
printf("%c %c %c", U, R, star);

}