Why is it helpful to know the slant height of a pyramid to find its surface area?

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asked Feb 14, 2019 154k views

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Zerowords · Answer 1 · 2019-02-21T00:47:54+0000

The slant height gives us the perpendicular height of the triangles that form the pyramid.

The surface area includes areas of the triangles. You need the slant height for the areas of the triangles and hence the surface area.

Why is it helpful to know the slant height of a pyramid to find its surface area?

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