luc002.c (812B)
1 /* The length and breadth of a rectangle and radius of a circle 2 are input through the keyboard. Write a program to calculate the 3 area and perimeter of the rectangle, and the area and circumference 4 of the circle. */ 5 /* Let Us C; Page - 19; Chap- 1; QNo.: F(b) */ 6 7 #include <stdio.h> 8 #include <math.h> 9 int main() 10 { 11 double len, bre, r, area_r, per, area_c, cir; 12 printf("Enter the length and breadth of the rectangle : "); 13 scanf("%lf %lf", &len, &bre); 14 printf("Enter the Radius of the circle : "); 15 scanf("%lf", &r); 16 area_r = len * bre; 17 per = 2 * (len + bre); 18 area_c = M_PI * r * r; 19 cir = 2 * M_PI * r; 20 printf("\nArea of Rectangle : %lf" 21 "\nPerimeter of Rectangle : %lf" 22 "\nArea of Circle : %lf" 23 "\nCircumference of Circle : %lf", 24 area_r, per, area_c, cir); 25 return 0; 26 }