? is a central angle that cuts off an arc of length s. Find the radius of the circle if ? = 160°, s = 3 km.
? 
If the answer needs rounding, round it to three significant digits.
? 
r = __________ km

What will be an ideal response?

1.07

Mathematics

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Use a divisibility test to answer the question.Is 109 divisible by 4?

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