Answer:
I believe it would be 3 meters...
dont kill me if im wrong!
Step-by-step explanation:
Surface area of this shape = area of 2 triangles + area of 3 rectangles
Height of the triangular base is 12 m.
i think that the answer is 13 meters
18 Inches
1 foot + 12 in + 6 in = 18 in