Brandon F.

asked • 08/27/18

degrees and angles

A wheel with a circumference of 15 cm has covered 1.35 km in its lifetime. Which of the following is correct to workout the number of degrees the wheel has turned so far? A. 135000 X 15 / 360 B. 135000 / 15 X 360. Which is correct A. or B.

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David W. answered • 08/27/18

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Well, Brandon, break it apart. This is about how many times it's turned vs. how many degrees are in a circle. How do we decide how many times it's turned? How do we figure out how many degrees that is?
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Brandon F.

I am not sure whether the answer is A. or B.
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08/27/18

David W.

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Brandon, how many degrees are there in 2 rotations? Did you figure that out by multiplying or dividing by 360??
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08/27/18

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