This concept teaches students about the 45-45-90 special right triangle and how to apply its properties.
This video gives more detail about the mathematical principles presented in 454590 Right Triangles.
This video shows how to work step-by-step through one or more of the examples in 454590 Right Triangles.
Ten question quiz. Students must solve for the missing sides of 45-45-90 triangles. Students must also find the area, perimeter, and length of the diagonals of squares using their knowledge of 45-45-90 triangles.
A list of student-submitted discussion questions for 45-45-90 Right Triangles.
Why should drug dealers study their geometry?
Learn about a popular puzzle game that is based on 45-45-90 triangles.
The special triangles 45-45-90, 30-60-90, and equilateral triangle are covered in this study guide.