For the structure, see Pyramid. A pyramid is a three-dimensional shape. It has triangular sides that come together in a point at the top, call the  apex . A pyramid with a square base (bottom) and four sides is called a square pyramid. A pyramid with a triangular base and three sides is called a tetrahedron.
If youâre going to be an online personal trainer, do it right. If youâre looking at how to become a personal trainer online there are two ways to do it: 1  Take on a smallish amount of clients (10-20) at $100+/month.2  This is at least an extra $1,000/month! (and $100/month is a low price.). 3  Take a step back from training in person and commit more time.f youâre going to be an online personal trainer, do it right. If youâre looking at how to become a personal trainer online there are two ways to do it: 1  Take on a smallish amount of clients (10-20) at $100+/month.
1 The cost of the certification exams varies per training center, so you still need to contact the center nearest you to get the actual price. 2  However, if we look at the centers that have published their exam rates, we found that the average cost of the exam is between $130 and $170. The costs of these training programs could cost anywehre from $1,500 to more than $2,500. 2  For example, a training course for AutoCAD being offered by Delta.edu costs $2,595.