Lesson: Magnitude of a Vector in 3D Mathematics • Third Year of Secondary School

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In this lesson, we will learn how to find the magnitude of a position vector in space.

Students will be able to

understand that the magnitude of a 3D vector represents the length of the vector,
find the magnitude of a 3D vector when given its components,
find an unknown component in a 3D vector when given the other components and the magnitude of the vector.

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