Explanation video part 2

The correct answer to the previous question was iv. Whether the student solved it correctly or not, an explanation would be provided (not shown in this demo).

The next segment of the video explanation continues below, and shows that this problem was actually the proof of the Pythagorean Theorem in disguise.

Click on the video to start!

When you've finished watching the video and are ready to answer the mini-question, choose your answer below:

i ii iii iv