Jo claims that any two triangles, both having a perimeter of four, are congruent. Jann claims that two circles, both having a circumference of 4π, are congruent. Julia claims that two squares, both having a perimeter of four, are congruent. Which of these students are correct?<spanclass=′latex−bold′>(A)</span>Jo<spanclass=′latex−bold′>(B)</span>Jann<spanclass=′latex−bold′>(C)</span>Julia<spanclass=′latex−bold′>(D)</span>Jo, Julia<spanclass=′latex−bold′>(E)</span>Jann, Julia