The answer would be c. If you Take Pi=3.14 and multiply it by the radius=30 then u get 94.2
In this question , Darko have to find the distance between A(3,-4) and B (-1,3) .
He uses the correct formula, which is

And on substituting the values , we will get

And in this line, Darko did the mistake .
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It is 1 and 1.5 over 3.5 or 7 if you divide
Answer:
80.5 km/h
Step-by-step explanation:
divide the 426.65 by 5.3 hours to get 80.5/1 hr