Question

What is the formula for a pyramid in surface area ?

Answer 1

[Base Area] + 1/2 × Perimeter × [Slant Length] is when the sides are the same.
But...when they are different: [Base Area] + [Lateral Area]
Hope this helps!

Answer 2

All surface area formulas are the same so just mutiply the base 2 and figure it out hope this helps