What are the coordinates of the terminal point corresponding to = –120? Use the Pythagorean theorem to prove that this point lie
s on the unit circle?
1 answer:
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Answer:
Casey will take 3 minutes to clean part of the section.
Step-by-step explanation:
∵ Casey takes the time to cleans of a section = 1 minute
∴ He will take the time to clean complete section =
=
= 3.6 minutes
Now time taken to clean part of the section =
= 3 minutes
Therefore, left part of the section will be cleaned by Casey in 3 minutes.