What is this answer please I need help
1 answer:
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Answer:
0.4 or
Step-by-step explanation:
James spun the arrow 30 times which means 30 is the total. In other words, it's your denominator (). It landed on the blue section 12 times which means 12 is the part of the whole. In other words, it's your numerator (
). Plug in the entire fraction and you get
. Divide 12 by 30 and you get 0.4 or if you divide both the numerator & denominator by 6, you get
. Either one works, depending on what your question asks for.
The formula for arc length which is measured in units not degrees is 
, where 2 pi r is the circumference. We were given the circumference as 12 pi, so we can fill in the rest of the formula and the find the length of the arc that is intercepted by that 330° angle. 
gives us, after multiplying in the pi, an arc length of 34.56 units.