Question

in the triangular prism shown below, which planes are parallel? select all that apply.

Explanation:

Step1: Recall parallel - plane concept

In a triangular prism, the two triangular bases are parallel and the opposite rectangular faces are parallel.

Step2: Identify the bases

The triangular bases of the prism are $\triangle JKL$ and $\triangle MNO$. So, the planes of $\triangle MNO$ and $\triangle JKL$ are parallel.
There are no other pairs of parallel planes among the given options.

Answer:

MNO and JKL