Which change will triple the lateral surface area of a regular triangular pyramid with base length b, height h, and slant height l?

By tripling the base length.

Step-by-step explanation:

The surface area of a regular triangular pyramid is:

By tripling the base length, the surface area of the regular triangular pyramid is tripled.

step-by-step explanation:

i think you should think about the question and not look online.

but which class are u may know that first