Spike, Jet and Faye stand at each corner of a triangular plot of land. Faye is 25 feet from Jet, Jet is 31 feet from Spike and Spike is 40 feet from Faye. Find the area of the
triangular plot of land. Round your answer to the nearest square foot.

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