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

Question

A. the height from the apex straight down to the bade of the triangular face where it forms a right angle
B. an edge of a triangular face
C. the height of the pyramid from the apex straight down to the middle of the base of the pyramid
D. the distance across the triangular face

Answer 1

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