Question

Please help if you know this!!! Medal and Fan !!!!!!


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Answer 1

A triangular pyramid has 4 faces of triangles.

And to find the surface area, you need to find the area of each triangle. And there are 4 triangles.

Each triangle have an area of 80 m^2

That means the surface area is 4 * 80 m^2

Do you understand?

Answer 2

Yes, and thank you!