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

5km

Step-by-step explanation:

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

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