luc002.c (949B)
1 /* 2 * Author: Amit Dutta (amitdutta4255@gmail.com) | Date: 12 Dec 2025 3 * Repo: https://github.com/notamitgamer/bsc 4 * License: MIT 5 */ 6 7 /* The length and breadth of a rectangle and radius of a circle 8 are input through the keyboard. Write a program to calculate the 9 area and perimeter of the rectangle, and the area and circumference 10 of the circle. */ 11 /* Let Us C; Page - 19; Chap- 1; QNo.: F(b) */ 12 13 #include <stdio.h> 14 #include <math.h> 15 int main() 16 { 17 double len, bre, r, area_r, per, area_c, cir; 18 printf("Enter the length and breadth of the rectangle : "); 19 scanf("%lf %lf", &len, &bre); 20 printf("Enter the Radius of the circle : "); 21 scanf("%lf", &r); 22 area_r = len * bre; 23 per = 2 * (len + bre); 24 area_c = M_PI * r * r; 25 cir = 2 * M_PI * r; 26 printf("\nArea of Rectangle : %lf" 27 "\nPerimeter of Rectangle : %lf" 28 "\nArea of Circle : %lf" 29 "\nCircumference of Circle : %lf", 30 area_r, per, area_c, cir); 31 return 0; 32 }