Answer:
We can find the surface area of any pyramid by adding up the areas of its lateral faces and its base.
Surface area of any pyramid = area of base + area of each of the lateral faces
Example:A=lw+l(w2)2+h2+w(l2)2+h2=3·2+3·(2
2)2+82+2·(3
2)2+82≈46.46559
Explanation: