Write a C program to calculate the area of a square

Description: Take the side of a square as input and print its area.

Hint:

• Area of a square = side x side.

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C program to calculate the area of a square

#include <stdio.h>

int main(void) {
    float side, area;

    printf("Enter the side: ");
    scanf("%f", &side);

    area = side * side;
    printf("Area = %.2f\n", area);
    return 0;
}

Output:

How it works

• The side is read as a float, so decimal values also work.
• The area is side * side, and %.2f prints two decimal digits.

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