Lets write a C program to find area of a square by using length of its diagonal. We ask the user to input the length of its diagonal.
Related Read:
C Program To Calculate Area of a Square using its Side
Page Contents
area = ( diagonal x diagonal ) / 2.0
OR
area = ( diagonal x diagonal ) * 0.5
Note: All the sides of a square are equal. Both the diagonals of the square are of equal length.
User Input:
Enter length of diagonal of a Square
15.2
Output:
Area of the Square is 115.52
Video Tutorial: C Program To Calculate Area of a Square using its Diagonal
#include < stdio.h > int main() { float area, diagonal; printf("Enter length of diagonal of a Square\n"); scanf("%f", &diagonal); area = (diagonal * diagonal) * 0.5; printf("Area of the Square is %0.2f\n", area); return 0; }
Output 1:
Enter length of diagonal of a Square
9
Area of the Square is 40.50
Output 2:
Enter length of diagonal of a Square
5
Area of the Square is 12.50
Output 3:
Enter length of diagonal of a Square
10
Area of the Square is 50.00
Output 4:
Enter length of diagonal of a Square
10.5
Area of the Square is 55.13
Output 5:
Enter length of diagonal of a Square
12.2
Area of the Square is 74.42
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