SOLUTION: the lateral area of a pyramid with a square base is 240 sq. ft. its base edges are 12 ft. long. what is the slant height of the pyramid?

Question 393743: the lateral area of a pyramid with a square base is 240 sq. ft. its base edges are 12 ft. long. what is the slant height of the pyramid?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

lateral area of a pyramid = area of base + area of faces

 (240 - 144)/4 = 24  = (1/2)sh *12

                 48/12 = sh

                    sh = 4 

 

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