# The surface area of a square pyramid is 84 square inches. The side length of the base is 6 inches. What is the value of x?

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6*6+(1/2*6*x)*4=84 36+2*24*4x=84 36+48*4x=84 84*4x=86 /84 /84 4x=1.02380952381 /4 /4 x=0.25595238095

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