It is 3. Because a square root is anything times itself to make an answer. For example:
What is the height of the cylinder in the diagram? Round your answer to the nearest whole number.
2 answers:
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we are given
speed is 850mi/h
we know that
1 mile =1609.34 metre
1 hour = 3600 second
now, we can replace 1mi and 1hour
now, we can solve it
379.98306
...........Answer