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Module 1: Scalar products of vectors

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Using the Dot Product in Vector Proofs

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Advanced Mathematics - Using the dot product in vector proofs

Using the dot product in vector proofs

One application of the dot (or scalar) product is showing there is a right
angle in a geometric figure. Vector methods can be used to demonstrate
that:

* diagonals intersect at right angles

* right angles exist in given triangles

* perpendicular lines exist in polygons

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