''Tis is a discussion question but I also have to show my work

Question

samantha was ask to find the exact area of a circle with a diameter of a 8 inches. She found it to be 200.96in squared. She made 2 errors.  By reviewing her answer can you determine the two errors? Show your work and provide the correct answer could you please help

Answer 1

A=pi*r^2 A=pi*4^2 A=16pi the two errors are: she used the diameter and she gave an approximate answer A=3.14*8^2 A=3.14*64 A=200.96