Mean for 13, 6, 24, 18, 33, 5, 13, 48, 9, 11, 36, 28, 15, 6, 13

13+6+24+18+33+5+13+48+9+11+36+28+15+6+13(all divided by 15)

278÷15

=18.5333

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "