Cool Down: Folding into Thirds Han has a thin rectangular sheet of paper. Its area is 450 square inches. He folds it into thirds, and then he folds the resulting rectangle into thirds again. 1. Han believes that after two rounds of folding, the visible area of the folded paper will be 150 square inches, or one-third of the original area. Do you agree? Explain your reasoning. I 2. What is the visible area of the paper, in square inches, after 4 rounds of folding? Explain or show your reasoning.