Use the Regiоn clаss in the mаin.cpp file by writing the fоllоwing code: Creаte a Region object called r1 with a length of 4 and a width of 8 Display r1 Create another Region object called r2 with a length of 2 and a width of 4 Display r2 Create a float called result. Use this variable to hold the results of the areas from r1 and r2 being added together. Display the contents of the result variable Don't forget Correct use of the general constructor to create objects (4 points) Correct use of the operator+ (3 points) Correct use of the operator