Rotating Lines

Author:David Wees

Try changing the value of the angle below. What relationships do you see between the lines as the angle changes? What relationships do you see between the lines when they are perpendicular to each other?

New Resources

Deriving the Sector Area Formula
Writing and Graphing Proportional Relationships (k>0)
Building Algebra Tile Models for Trinomials
Marion's Theorem
Squaring a Rectangle (PST Version)

Discover Resources

Maths Methods
Vertical Angle Exploration
ScratchPaper
Problem Set 4
พื้นผิวในปริภูมิสามมิติ

Discover Topics

Algebra
Function Graph
Equilateral Triangles
Natural Numbers
Piecewise Functions