Triangle congruence and similarity
... straightedge. Work with these tools is powerful in developing students’ visual sense and logic, and is a strong preparation for the proofs presented in this article. In our view, the main purpose of teaching geometry in high school is to teach geometry, not to build a formal axiomatic system. The g ...
... straightedge. Work with these tools is powerful in developing students’ visual sense and logic, and is a strong preparation for the proofs presented in this article. In our view, the main purpose of teaching geometry in high school is to teach geometry, not to build a formal axiomatic system. The g ...
