# Answer to Question #27919 in C++ for red rose

Question #27919

Write a functions named sqrIt () that computes the square of the value passed to it and displays the result. The function would be capable of squaring numbers with decimal points. Make sure your function is called from main() .

Expert's answer

#include <iostream>

float sqrlt( float x )

{

float result = 0;

// calculate square

result = x*x;

//Show result

std::cout << "square=" << result <<"\n";

return result;

}

int main()

{

float x;

//Show message:

std::cout << "Enter number:\n";

//Read number:

std::cin >>x;

float square;

//call function

square=sqrlt( x );

return 0;

}

float sqrlt( float x )

{

float result = 0;

// calculate square

result = x*x;

//Show result

std::cout << "square=" << result <<"\n";

return result;

}

int main()

{

float x;

//Show message:

std::cout << "Enter number:\n";

//Read number:

std::cin >>x;

float square;

//call function

square=sqrlt( x );

return 0;

}

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