199=n-66
A.53
B.186
C.-185
D.185

n = 265, but none of the choices have 265 as the answer.

Step-by-step explanation:

1. Isolate the unknown term, n.

2. Simplify.

Good luck to you!

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 "

answer is c chief it always is