how would I solve this

Answer:
Step-by-step explanation:
First off we would need to fins out what shape this is, assuming by the one square face and 4 triangular ones this is a square pyramid
to find lateral surface area for this shape you use the formula
2 * b *h
b=base
h= slant height
so we plug in the numbers
2 * 16 * 8
256 ft^2 would be the lateral surface area
also I attached an image with equations to use