Finding parallel lines Whiteboard exercise Play

Finding parallel lines Whiteboard exercise Play

Finding perpendicular vectors Whiteboard exercise Play

Finding the perpendicular distance from a point to a line Student activity Play

Finding the perpendicular distance from a point to a line Whiteboard exercise Play

Finding the perpendicular line Whiteboard exercise Play

Five billiard balls collisions Whiteboard exercise Play

Flux density is a vector Animation Play

Free-body diagram Animation Play

Gradient of perpendicular lines Animation Play

Gradients of parallel lines Whiteboard exercise Play

Gradients of parallel lines Animation Play

Gradients of parallel lines Student activity Play

Gradients of parallel or perpendicular lines Student activity Play

Gradients of parallel or perpendicular lines Whiteboard exercise Play

Gradients of perpendicular lines Whiteboard exercise Play

Gradients of perpendicular lines Student activity Play

Half-planes and lines Animation Play

High-voltage overhead lines Student activity Play

High-voltage overhead lines Animation Play

High-voltage overhead lines Whiteboard exercise Play

High-voltage transmission lines Illustration Play

High-voltage transmission lines Slideshow Play

High-voltage transmission lines Whiteboard exercise Play

High-voltage transmission lines Student activity Play