Question

What is the surface area of the regular pyramid?

Answer 1

Explanation:

Surface area =
`lw+l\sqrt{((w)/(2))^2+h^2}+w\sqrt{((l)/(2))^2+h^2}`

just put the values in the formula h=18,w=14,l=14

Answer 2

You would have to do 18x2 then 14x2.