Grandpa joe has a closet full of ties. he divides his ties evenly among 3 grandsons, and each one gets 27 ties. how many ties we
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To find the lateral surface area of a pyramid, you can find the area of each triangle, A = 1/2bh or A = 1/2lw, then multiply by the number of triangles, which would be based on the number of sides of the base; or you can take half the perimeter and multiply by the slant height.
