I need help finding out how to solve the surface area of a square pyramid

Mathematics
Tutor: None Selected Time limit: 1 Day

Its a square pyramid with a height of 38 a slant height 47 and the base is 25. And this is geometry 

May 3rd, 2015

Base = 25 x 25 = 625

triangles 1/2 x 25 x 40 x 4 = 2000

Total Surface area= 2625

May 3rd, 2015

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May 3rd, 2015
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May 3rd, 2015
Feb 19th, 2017
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