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grigory [225]
3 years ago
8

If D is the midpoint of the segment

Mathematics
1 answer:
erastova [34]3 years ago
8 0

______________________________________

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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