Question: The program should be in C++ Write a program called cirearea() that finds the area of a circle. It should take an argument of type

The program should be in C++
Write a program called cirearea() that finds the area of a circle. It should take an argument of type float and return an argument of the same type. Write a main () function that gets a radius value from the user, calls circarea (), and displays the results. The formula for finding the area of circle is pi r^2
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