Answer:
The perimeter of shape A is 18.
Shape B has a perimeter 26m larger than shape A.
Explanation:
To find perimeter, you just add all of the sides.
For shape A: 3+3+3+3+3+3=18
For shape B: 14+8+14+8=44
To find the difference, you can just subtract 44-18, to get 26 meters.