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gordon and tess are trying to determine whether δabc and δfge can be proven congruent through rigid motions.
gordon says that δabc ≅ δfge because δabc can be reflected over the line x = 1 to create δfge.
tess says δabc ≅ δfge because δabc can be translated by the rule (x + 5, y − 7) to create δfge.
a coordinate grid with triangles abc and efg at a negative 7 comma 2, b negative 3 comma 6, c negative 2 comma 1, e 2 comma negative 1, f 7 comma negative 2, and g 3 comma negative 6
who is correct?
gordon only
tess only
both gordon and tess
neither gordon nor tess