Q5 The length & breadth of a rectangle and radius of a circle are input through the keyboard. Write a program to calculate area & perimeter of the rectangle and area & circumference of the circle.

Calculate are and perimeter or rectangle and circle

Program: 55

Write a c program to find area & perimeter of rectangle and area & circumference of circle | Let Us C Solutions

 

#include<stdio.h>
#include<conio.h>
int main()
{
    float l, b, r,ca, cc, ra, rp;

    //For rectangle
    printf("Enter the length of rectangle: ");
    scanf("%f", &l);
    printf("Enter the breadth of rectangle: ");
    scanf("%f", &b);

    //For circle
    printf("Enter the radius of circle: ");
    scanf("%f", &r);

    //Calculate area & perimeter of the rectangle...
     ra = l * b;    //Area of Rectangle = Length x Breadth
     rp = 2 * (l + b);    //Perimeter of Rectangle = 2 x (Length + Breadth) or addition of all sides

     //Calculate are & circumference of the circle...
     ca = 3.14 * r * r;   //Area of Circle = 2 x Pi x r^2 where Pi = 3.14
     cc = 2 * 3.14 * r;  //Circumference of Circle = 2 x Pi x r

     printf("\nThe area of the rectangle: %0.2f", ra);
     printf("\nThe perimeter of the rectangle: %.2f", rp);
     printf("\n\nThe area of the circle: %.2f", ca);
     printf("\nThe circumference of the circle: %.2f", cc);

     return (0);
}

Output:

 Enter the length of rectangle: 3
Enter the breadth of rectangle: 2
Enter the radius of circle: 2

The area of the rectangle: 6.00
The perimeter of the rectangle: 10.00

The area of the circle: 12.56
The circumference of the circle: 12.56

 

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