Ineed figuring out which ones are positive and what ones are positive?

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Is the figure congruent? yes or no?