Hi Brian, thanks for asking a question here on Brainly.
Well, let's take a look. Observe carefully at the photo below. We can see that this certainly isn't a circle or a square. It has three equal angles, making it a right triangle.
Answer: Letter A ✅
Hope that helps! ★ If you have
further questions about this question or need more help, feel free to comment
below or post another question and send the link to me. -UnicornFudge aka Nadia