If D is the midpoint of the segment
1 answer:
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A D C B
AC=3
AD = 1.5 since D is the midpoint
DC = 1.5
C is the midpoint DB then DC=CB
since DC=1.5 then CB=1.5
AB=AD + DC+CB
AB = 1.5 + 1.5+1.5
AB = 4.5cm
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