C Program To Calculate Area of a Square using its Diagonal

http://technotip.com/7077/c-program-to-calculate-area-of-a-square-using-its-diagonal/

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.

Formula To Calculate Area of Square using its diagonal 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.

Expected Output for the Input User Input: Enter length of diagonal of a Square 15.2

Output: Area of the Square is 115.52

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