[3rd Year Junior High Math] Found the intersection, but stuck again on triangle area | Two ways to solve parabolas and lines

I finally found the two intersection points of the parabola and the line.Just when I thought, "That's it!", the end of the ...

Junior High School Entrance Exam Math: Where to Square the Area Ratio of Similar Figures and Where Not To

Conclusion: In the 4-way division of a trapezoid, you only "square" in one place junior high school entrance exam geometry, there are problems that deal with the area ratio of similar figures. Many ...