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A'C' ~~ AC
BC' ~~ BC
A'B ~~ AB
2c)
y/14 = (y+15)/22
22 y = 14(y+5)
22y - 14y = 70
8y = 70
y = 70/8 = 8,75
30/14 = (30+x)/22
14(30+x) = 30(22)
420 + 14x = 660
14x = 660-420= 240
x = 240/14= 17,14