Well i can't really answer that question because there is no document shown.
Answer:
is it a multiple choice question... if so what are the answers. if not can you add like a picture of what it is talking about so it is easier to help you answer he question
C
Explanation:
The error taught us an expensive lesson
The answer is Corners.
I hope this helps. I don’t know how to explain but if you need to, look up this question on Quizlet!