Answer:
6 meters is missing length
Step-by-step explanation:
The surface area of a prism is:
A = area of base
L = Lateral area
A + L = Surface area
Area of Base = 8x * 2(2 bases) = 16x
Lateral Area = (2x+16)6 = 12x+96
12x+96+16x = 264
28x + 96 = 264
28x = 168
x = 6
