What’s 4 plus or minus the square root of 16 minus 4 times 2 times 2 all divided by 4

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 "

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap