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Answer :

Maniknandinigo

Answer:

6cm

Step-by-step explanation:

AD = DC = 3cm

AC = CB

from info given

AC = AD + DC = 6cm

then BC = 6cm

u can also refer the picture below

View image Maniknandini
Fathimathmoonisa9414go

Answer:

6cm

Step-by-step explanation:

if C is the mid point of AB, then segment AC and BC would be of equal size . And if D is the midpoint of AC then segment AD and DC would be of same size as well. SO, IF AD=3cm THEN DC=3cm. AND AC=AD+DC , AC=3+3=6.

SO, If AC and BC are of same size that means BC is also =6cm

SORRY IF THIS IS RLY CONFUSING

View image Fathimathmoonisa9414

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