Which of the following best describes jk in the regular pyramid below
a) lateral area
b) altitude
c) slant height
d) base area

The given line JK is the slant height of the pyramid (option C : slant height)

Step-by-step explanation:

The slant height of a pyramid is defined as the distance measured along a lateral face from the base to the apex, along the center of the face.

In other words, we can say that the slant height is the hypotenuse of the right triangle formed using the triangle's height and half the base length.