Total Surface Area - the trick to getting it right

There is no trick to doing surface area quickly, but there is to getting the right answer every time.  Be a math genius with mental math.

To donate to the tecmath channel:https://paypal.me/tecmath

To support tecmath on Patreon: Patreon: tecmath

To buy tecmath mechandise: https://teespring.com/stores/tecmath-...

• #education
• #surface
• #area
• #math
• #lesson