I.
Properties of triangles

I-1 Properties of triangles
_ Final concept conclusion

II.
Properties of a square

II-1 Properties of a square
_ Final concept conclusion

III.
Similarity of Figures and the Pythagorean Theorem

III-1 Similarity of Figures
III-2 Ratio of lengths of line segments between parallel lines
III-3 Pythagorean theorem
_ Final concept conclusion

IV.
probability

IV-1 Case number
IV-2 Probability
_ Final concept conclusion

A textbook that quickly and easily masters textbook concepts.

〈Textbook Features〉
1.
We've gathered only the most important concepts and explained them in an easy-to-understand way!
2.
Take your understanding of concepts to the next level with basic problems!
3.
Solve similar problems! Solve them! Completely understand the concepts through repeated learning!
4.
Test your skills with end-of-unit questions!
5.
Study Book: Review key concepts once again!