Answer:
The one on the bottom right.
Step-by-step explanation:
The protractor should be even and straight with the angle and not crooked.
The top left is straight: ❌
The top right is straight: ✔️
The bottom left is straight: ✔️
The bottom right is straight: ✔️
Now, we eliminated 1. But, we are still left with 3, so let us eliminate more.
The angle edge should be inside the circle at the bottom of the protractor
The top right is aligned with the circle: ❌
The bottom left is aligned with the circle: ❌
The bottom right is aligned with the circle: ✔️
So, our answer is the bottom right, which is the only answer that has a check mark for both requirements.
Bottom right is the correct answer: ✅
Hope this helps! :D