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No - the closest triangular numbers either side of 80 are 78 and 91.

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14y ago

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What is the surface area of a triangular pyramid if each face has an area of 80 m2?

A triangular pyramid, or tetrahedron, has four triangular faces. If each face has an area of 80 m², the total surface area can be calculated by multiplying the area of one face by the number of faces: (4 \times 80 , \text{m}^2 = 320 , \text{m}^2). Therefore, the surface area of the triangular pyramid is 320 m².


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