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# Program for Area Of Square in C++

We are given with a side of a rectangle and our task is to print the area of the square from that side.

Square is 2-D plain figure which have 4 sides and forms 4 angles of 90degree each and all the sides are of equal shape. In other words we can say that the square is a form of rectangle with equal sides.

Given below is representation of a square −

The Area of square is Side x Side

## Example

Input: 6 Output: 36 As the side is 6 so the output is 6*6=36 Input: 12 Output: 144

## Algorithm

START Step 1-> Declare a function int area(int side) In function area Declare a variable area and set it as side * side Return area End Step 2 -> Declare a function int main() In main Function Declare a variable side and Set a Value Call function area(side) End STOP

## Example

#include <iostream> using namespace std; //funcion to calculate area of square int area(int side){ int area = side * side; return area; } // Driver Code int main(){ int side = 40; cout <<"area of square is :"<<area(side); return 0; }

## Output

area of square is :1600

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