Basically the remainder theorem links the remainder of division by a binomial with the value of a function at a point while the factor theorem links the factors of polynomial to its zeros
The area of section 1 is 12 square feet, the area of section 2 is 40 square feet, and the area of section 3 is 6 square feet.
So what you need to do is take a protractor and use it to measure angle c
