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at right has been created from . Why is not a rigid transformation of ? Explain what properties of have been preserved and which have not been preserved.

Find the length of the missing side of each triangle. How are the triangles related?

2 right triangles.  First labeled as follows: horizontal leg, BC, 6, vertical leg, AB, 8, hypotenuse, AC, 10. Second, rotated slightly,  labeled as follows: bottom leg, GH, 4, side leg, GJ, 3.