I take an adult education in the university named Shonan Institute of Technology. It’s quite a specific system of this university. It is not a special course for adults – anyone who pays a certain charge can take the same lecture for the very students! I go there every monday, to take three classes. I wish I could take more, but I have so many other things to do.

One of the classes I take is geometry. This class is for students going to be math teachers. So the content itself is at high-school level, which they learn for much more detailed explanations. I myself don’t plan to be a teacher. I just want to learn the things again.

Today I spent much time to do the homework of geometry.

The below is an exercise to set a midpoint on each side of a triangle. Perhaps you remember your school days. This task can be done only by a compass and a straight ruler. Draw circles of the same radius at both edges of a segment as their centers, and joint the two intersections, which will cross with the segment at its midpoint.

Join each vertex and the midpoint of the opposite side. The resulting three lines will cross at a single point…oh…a little deviation.

Today’s homework was heavy. I had to write so much in the answer sheet. I wish the teacher gave us a sheet with more space.

Anyway it’s fun to learn again.

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