geometry

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The base of a pyramid is a square. The perimeter of the base is 20ft, and the surface area of the pyramid is 65ft^2. Find the slant height of the pyramid.

  • geometry -

    base is a 5 by 5 square

    is the base included in the surface area ?

  • geometry -

    can I use tha formula is SA = b + 1/2pl?

  • geometry -

    8ougyogy

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