If a∥b, prove that m∠2+m∠4+m∠5=180°. USE STATEMENT AND REASONING FOR PLS

The equation respenting the left table is

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

Point q is equidistant from the sides of ∠tsr. find m∠rst.