His Students Are So Square

(My government professor is talking about congressional districts. He draws a square on the board to represent New Mexico.)

Professor: “New Mexico has three dist—”

Student: “You forgot the little notch at the bottom.”

(He adds a single notch to the southeast corner of his square.)

Professor: “New Mexico has—”

Student: “You put it on the wrong side.”

(He erases the old notch and draws a new one at the southwest corner of the state.)

Professor: “New Mex—”

Student: “Wait, there’s supposed to be one more little notch.”

(My professor erases the whole thing and draws a new rectangle.)

Professor: “Colorado has five districts…”