Dot Product of Two Vectors by Gary Rubinstein
Loading the math board and drawing, please wait…
This example demonstrates the calculation and geometric interpretation of the dot product of two vectors. Key math concepts include vector dot product, vector magnitude, and cosine of the angle between vectors. It uses commands like Vector, OrthogonalLine, Ray, Angle, and Segment in GeoGebra for construction. Suitable for high school and above students learning vector operations and geometric applications.
GeoGebra Commands & Parameters
Vector(C, u) → u_1Vector(C, v) → v_1OrthogonalLine(u, v_1) → fRay(C, v) → gAngle(v, C, u) → θSegment(C, u) → hSegment(C, v) → i