The length of projection of a vector on another vector is the “shadow” the former vector cast on the latter.
The diagram below illustrates what the length of projection of vector a on b means:
![The diagram shows what length of projection means.](https://emilylearning.com/wp-content/uploads/2023/08/image-108.png)
In vectors, to find the length of project of vector a on vector b, the following equation is used:
![equation to find length of projection of one vector on another](https://emilylearning.com/wp-content/uploads/2023/08/image-106.png)
Notes on H2 Math Vectors
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All the notes for H2 A Level Math
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