Parallel lines (angle of inclination and slope)

Author:Lee Ka Shun

Move point A or point B to change the slope of the straight lines. Notice the relationship between the angles of inclination and the slopes of the two straight lines.

New Resources

Weighing Scales: Lessons and Practices
Square Matrix Calculator
Equilateral Triangle Cross Sections
Vectors: Scalar Multiplication
Semicircular Cross Sections

Discover Resources

Efeito visual - onda
Task B Q1
Angles in a Pentagon
Golden Spiral
The forces block suspended from P and Q and angle is 90 degrees

Discover Topics

Surface
Linear Equations
Median Line
Matrices
Geometric Distribution