Oblicz długości odcinków AB, BC i AC, jeśli: a) A = (2,8), B = (-2,5), C = (6,-1),
b) A = (-3,4), B = (5,-1), C = (5,9),
c) A = (-2, 1), B = (0,6), C = (6,2
b) A = (-3,4), B = (5,-1), C = (5,9),
c) A = (-2, 1), B = (0,6), C = (6,2
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