Find the surface area of a square pyramid with side length 3 km and slant height 5
km.
km
3 km
3 km

Answer:
39 sq km
Step-by-step explanation:
SA = area of the base + 1/2(perimeter of the base)(slant height)
= 3² + 1/2(3×4)(5)
= 9 + 6(5)
= 39