Problem 11b -Instructions

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Explain why we are using the "if then else" to manipulate the input data in the example below.

Example 11.1: C++ source code

cout << "nnEnter one side of the rectangle --------->: " ;cin >> side1;cout << "nnEnter the other side of the rectangle --->: " ;cin >> side2;
if (side1 > side2)  {  length = side1;  width = side2;  }else  {  length = side2;  width = side1;  }