What is the slant height of a square pyramid that has a surface area of 279 square meters and a side length of 9 meters?
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☆heya your answer is here
●●Surface area = s² + 2s√(l² - (s/2)²) = 279
(9)² + 18√(l² - 81/4) = 279
l = 11.88 approx
●●Surface area = s² + 2s√(l² - (s/2)²) = 279
(9)² + 18√(l² - 81/4) = 279
l = 11.88 approx
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