Alarge tent is being set up for a fair. two poles, qu and rt, are placed perpendicular to the ground and 12m apart. pole qu is 4m in length and pole rt is 7.5m in length. a tarp is placed over the poles and secured to the ground at p, 3m from the base of pole qu, and s, 4m from the base of pole rt. determine pq+qr+rs; the length of the tarp.

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