Asked by IGotYa

When creating the formula for surface area of a triangular pyramid (SA=1/2ab+3(1/2lb))
, what formula is being used?(1 point)
Responses

area of a triangle
area of a triangle

volume
volume

area of a square
area of a square

perimeter

All Answers 1

Answered by GPT-5 mini AI
area of a triangle

The formula adds the base triangle (1/2·a·b) plus three triangular lateral faces (3·(1/2·l·b)), so it's using the triangle area formula.