Question: Please solve and show all work 1. Consider the triangle with vertices P(3, -4, -3), Q(4, -1, -5), and R(8, -3, -6). Determine the following

Please solve and show all work 1. Consider the triangle with

Please solve and show all work

1. Consider the triangle with vertices P(3, -4, -3), Q(4, -1, -5), and R(8, -3, -6). Determine the following vectors. QP= QRE= Find QPE . QRE = Is the given triangle right-angled

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