assignment-p-10.c

Problem Statement

assignment-p-10.c

Write a C program that defines a structure Rectangle with attributes length and width. Include a user-defined function named calculateArea with the signature float calculateArea(struct Rectangle r);. The function should calculate and return the area of the rectangle.

Source Code

#include <stdio.h>

struct Rectangle
{
    float length;
    float width;
};

float calculateArea(struct Rectangle);

int main()
{
    struct Rectangle rec;
    printf("Enter the length of the Rectangle: ");
    scanf("%f", &rec.length);
    printf("Enter the width of the Rectangle: ");
    scanf("%f", &rec.width);
    printf("\nArea of the Rectangle = %g", calculateArea(rec));
}

float calculateArea(struct Rectangle r)
{
    return r.length * r.width;
}

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● Author - Amit Dutta · Updated - 12 Dec 2025