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Mathematics 14 Online
OpenStudy (shelby1290):

Calculate the surface area of this pyramid.

OpenStudy (shelby1290):

ganeshie8 (ganeshie8):

surface area = (lateral area) + (area of base)

ganeshie8 (ganeshie8):

lateral area = (perimeter of base) x (slant height) / 2 = (12.9*3) x (7.2) / 2

ganeshie8 (ganeshie8):

simplify

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