When you an angle, you cut it into three equal pieces?

For the equations below which statement is true ?

Someone me what is the area of this figure? 18m 18m 8m 16m

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field