Look at the picture for the question. Please help me only if you know!!

Below

Step-by-step explanation:

So, the base is always going to be the bottom of our traingle, or any other shape.

The height will be what goes in the vertical direction of the base.

If your base is vertical, like: I , then your height will be horizontal, like: - .

No matter where the base is, the height will be exactly 90 degrees different(since there is a 90 degree difference between vertical and horizonatal)

Here is what I did:

HOpe this helps!