Which polynomial is a perfect square trinomal?
a. 36x^2- 18x -9
b. 4a^2 -28a -49
c.25b^2 -40b + 16
d. 4x^2 -6x + 9

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: i ! the answer is   9000 seconds, also d

hope i

-lavira : )