What is the slant height in a rectangular or square pyramid?

1. the distance across the triangular face
2. the height of the pyramid from the apex straight down to the middle of the base of the pyramid
3. an edge of a triangular face
4. the height from the apex straight down to the base of the triangular face where it forms a right angle

1 answer

4. the height from the apex straight down to the base of the triangular face where it forms a right angle