40cm^3
There is no "regular pyramid". There are triangle pyramids, square pyramids, pentagon pyramids, etc. With the information given in your question, there is no way to answer.
It is the lateral area (which is 1/2 the perimeter multiplied by the slant height), plus the area of the base.
A square based pyramid has 5 faces, 8 edges and 5 vertices
A pyramid
Yes.
total surface area is all of the area. ex. for a square pyramid it would be the area of the square on the bottom and the four triangle sides lateral surface area is all the surface area EXCEPT the base. ex. for a square pyramid it would be the area of the four sides of the pyramid. the bottom square is NOT included. for a triangular prism it would be the area of the three rectangle sides, NOT the two triangular sides
72 cm square.
Lateral faces are the number of faces excluding the base. Since the square is the base, the other 4 sides will each be touching a lateral face to form a square pyramid (or it wont be a pyramid). So, there are 4.
40cm^3
There is no "regular pyramid". There are triangle pyramids, square pyramids, pentagon pyramids, etc. With the information given in your question, there is no way to answer.
It is the lateral area (which is 1/2 the perimeter multiplied by the slant height), plus the area of the base.
LA = 1/2psnewtest3
A square based pyramid has 5 faces, 8 edges and 5 vertices
It is not possible to answer the question without knowing if the pyramid is a triangle based, square based or other polygon based pyramid.
A regular pyramid is a right pyramid whose base is a regular polygon. There are only three regular pyramids: a regular tetrahedron, a regular square pyramid, and a regular pentagonal pyramid.
A pyramid