C Program To Find Perimeter of Rectangle

Learn How To Find Perimeter of Rectangle in C Programming Language. We have different variants that includes Pointers and Functions.

Formula To Calculate Perimeter of Rectangle

Perimeter of Rectangle = 2 * (length * breadth)

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Method 1: Find Perimeter of Rectangle in C Programming using Function

#include<stdio.h>

int perimeter(int l, int b)

{

int result = 2*(l + b);

return result;

}

int main()

{

int length, breadth;

printf("\nEnter Length of Rectangle:\t");

scanf("%d", &length);

printf("\nEnter Breadth of Rectangle:\t");

scanf("%d", &breadth);

printf("\nLength: %d\n", length);

printf("\nBreadth: %d\n", breadth);

printf("\nPerimeter of Rectangle: %d\n", perimeter(length,breadth));

return 0;

}

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Method 2: C Program To Calculate Perimeter of Rectangle without Function

#include<stdio.h>

int main()

{

int length, breadth, perimeter;

printf("\nEnter Length of Rectangle:\t");

scanf("%d", &length);

printf("\nEnter Breadth of Rectangle:\t");

scanf("%d", &breadth);

perimeter = 2*(length + breadth);

printf("\nLength: %d\n", length);

printf("\nBreadth: %d\n", breadth);

printf("\nPerimeter of Rectangle: %d\n", perimeter);

return 0;

}

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Method 3: C Program For Calculating Perimeter of Rectangle using Pointer

#include<stdio.h>

#include<stdlib.h>

int main()

{

int *length, *breadth, *perimeter;

length = (int*)malloc(sizeof(int));

breadth = (int*)malloc(sizeof(int));

perimeter = (int*)malloc(sizeof(int));

printf("\nEnter Length of Rectangle:\t");

scanf("%d", length);

printf("\nEnter Breadth of Rectangle:\t");

scanf("%d", breadth);

*perimeter = 2*(*length + *breadth);

printf("\nLength: %d\n", *length);

printf("\nBreadth: %d\n", *breadth);

printf("\nPerimeter of Rectangle: %d\n", *perimeter);

return 0;

}

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Output

C Program To Find Perimeter of Rectangle using Function and Pointers

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Find Perimeter of Rectangle C Program