Triangles for the following pairs of vectors u̅ and v̅ given in Problems 1 and 2, show by can appropriate scalar product whether the triangle formed as in Fig. 3.1.5 is a right triangle sketch the triangle and identify the right angle. Confirm the Pythagorean Theorem.
1. [3, 2], [2, 3]
2. [2, - 1, 2], [- 1, 0, 1]