To find approximations of square roots, you should find the nearest prefect square. For example if your looking to approximate the square rot of 10, the closest perfect square is 9 and the square root of that is three. Thus, you can say that the square root is about 3. Hope this helps and please mark brainiest. :D
Answer:
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Step-by-step explanation:
it's pretty obvious.
Answer:

Step-by-step explanation:
Given




Required
The perimeter
First, calculate the distance between each point using:

So, we have:




So, the perimeter (P) is:


I think it's another trick question and the answer is 2000.