SOLUTION: What is the surface area of a square pyramid with the length & width of 12 cm, a slant height of 11.2 cm and a 10 cm height? Thanks!

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Question 854299: What is the surface area of a square pyramid with the length & width of 12 cm, a slant height of 11.2 cm and a 10 cm height?
Thanks!
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,



surface area = base area + 4(area of triangular faces)

             = 12cm%2A12cm+%2B+4%28%281%2F2%2912cm%2A11.2cm%29%29