Which of the following statements is TRUE about finding the area of a polygon?
A) You can use a coordinate plane to find the area of a polygon only if it is a triangle, rectangle, or square.
B) You can find the area of a polygon by dividing it into triangle and rectangle sub-parts and then calculating the area for only one of those sub-parts.
C) You can only find the area of a polygon if it is a triangle, rectangle, or square.
D) You can find the area of a polygon by dividing it into triangle and rectangle sub-parts, finding the area of the sub-parts, and then calculating the sum of the areas.