Online Course Discussion Forum
Question about II-A Geometry 2020 2.29
Hello, I am reviewing my missed questions, and I don't get the explanation for this problem.
I am not sure how you can rotate triangle PDC around angle C 90 degrees and find angle PCQ is exactly half of that 90 degrees.
Can someone help me out?
Here is the question: Let be a unit square and let be on sides respectively such that has perimeter . Find the measure of .