Answer:
2 m
Step-by-step explanation:
The bottom length of the bottom cuboid is equal to the top length of the bottom cuboid.
8 = 3 + c + 3
8 = c + 6
8 - 6 = c
2 = c
2 is the missing length
3 + x+ 3 =8
6+x =8
x= 8-6
x=2
