# C Program To Calculate Perimeter, Diagonal of a Square using its Side

http://technotip.com/7083/c-program-to-calculate-perimeter-diagonal-of-a-square-using-its-side/ Lets write a C program to calculate area, perimeter and diagonal of a square by using length of its side. We ask the user to input the length of its side. Formula To Calculate Area, Perimeter and Diagonal of…

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http://technotip.com/7083/c-program-to-calculate-perimeter-diagonal-of-a-square-using-its-side/

Lets write a C program to calculate area, perimeter and diagonal of a square by using length of its side. We ask the user to input the length of its side.

Formula To Calculate Area, Perimeter and Diagonal of a Square using its side
diagonal = sqrt(2) x side;
area = ( diagonal x diagonal ) / 2.0
OR
area = ( diagonal x diagonal ) * 0.5
OR
area = side x side;

Perimeter = 4 x side;

Expected Output for the Input
User Input:
Enter length of side of the Square
10.5

Output:
Area of the Square is 110.250000
Perimeter of the Square is 42.000000
Diagonal of the Square is 14.849242

Note: All the sides of a square are equal. Both the diagonals of the square are of equal length.

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