Abc has vertices at a(11,6), b(5, 6), and c5, 17).
axyz has vertices at x(-10,5), y-12, -2), and 2-4, 15).
amno has vertices at m(-9,-4), n(-3,-4), and a-3, -15).
ajkl has vertices at /(17, -2), k(12, -2), and l(12, 7).
apqr has vertices at p(12, 3), 9/12, -2), and r(3,-2).
can be shown to be congruent by a sequence of reflections and
translations.
can be shown to be congruent by a single rotatlon.