Family practice
The height on the net is the height of the triangular face.
Optional until a teacher marks it
A square pyramid has base side 6 and face height 4 on the net.
The net uses the height of each triangular face. That height is not the vertical height inside the pyramid. Surface area adds the base and the faces.
Problem 1 of 8. What we learned, an example, a few together, then independent practice.