Step-by-step explanation:
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Answer:
Step-by-step explanation:
I HAVE NO IDEA...SRRY
Answer:
Pentagon and I think the area is 19.89 so if you round it, that will be 19.9
Assuming you are focusing on the square only, then the answer is 9 inches.
You take the square root of 81 to get 9. Notice how 9^2 = 9*9 = 81. So if you're not familiar with square roots, then think backwards in a sense to get the answer.