Respuesta :

if the hole segment is 78 and some of it is 29 millimeters, you subtract 78-29= 49 which means segment AB is 49 millimeters
tramserran

I am going to assume that B is between A and C.

AB + BC = AC segment addition postulate

AB + 29 = 78 substitution

AB = 49 subtraction property (subtracted 29)

Answer: 49 mm

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