When creating the formula for surface area of a triangular pyramid (SA = ½ab + 3(½lb)), what formula is being used?
(1 point)
The formula for the surface area of a triangular pyramid involves finding the sum of the areas of the three triangular faces of the pyramid. Specifically, it is calculated by adding together the areas of the three triangular faces, which are each calculated as ½ times the base times the height of the triangle.
no no, here's the answers provided choose the right one
area of a triangle
perimeter
area of a square
volume