Question

in the triangular pyramid shown below, which lines are intersecting? ij and kl, ik and jl, il and kl, il and jk

Explanation:

Step1: Recall intersecting lines definition

Intersecting lines share a common point.

Step2: Analyze each option

• $\overrightarrow{IJ}$ and $\overrightarrow{KL}$: Do not intersect.
• $\overrightarrow{IK}$ and $\overrightarrow{JL}$: Do not intersect.
• $\overrightarrow{IL}$ and $\overrightarrow{KL}$: Intersect at point $L$.
• $\overrightarrow{IL}$ and $\overrightarrow{JK}$: Do not intersect.

Answer:

$\overrightarrow{IL}$ and $\overrightarrow{KL}$