What began as a bonus question in a high school math contest has resulted in a staggering 10 new ways to prove the ancient mathematical rule of Pythagoras' theorem. "There are no trigonometric proofs ...

This is an updated version of a story first published on May 5, 2024. For many high school students returning to class, it may seem like geometry and trigonometry were created by the Greeks as a form ...

This is an updated version of a story first published on May 5, 2024. For many high school students returning to class, it ...

to build on students' knowledge of triangle and develop students' reasoning with properties of different classes of triangles to develop students' language related to different triangles to engage ...

Big Idea – We can describe, measure, and compare spatial relationships. to build on students' knowledge of triangle and develop students' reasoning with properties of different classes of triangles to ...

https://doi.org/10.4169/college.math.j.48.1.51 • https://www.jstor.org/stable/10.4169/college.math.j.48.1.51 Copy URL By using the ellipse with foci at the extreme ...