Which figures are congruent?
a. b ≅d and a ≅c
b. b ≅d
c. b ≅d and e ≅f
d. b ≅d and e ≅f and a ≅c

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