itsmichelle29
  • itsmichelle29
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Mathematics
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katieb
  • katieb
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itsmichelle29
  • itsmichelle29
Two gears are connected and are rotating simultaneously. The smaller gear has a radius of 2 inches, and the larger gear has a radius of 8 inches. two circles touching at one point. Larger circle has radius of 8 inches. Smaller circle has radius of 2 inches. Part 1: What is the angle measure, in degrees and rounded to the nearest tenth, through which the larger gear has rotated when the smaller gear has made one complete rotation? Part 2: How many rotations will the smaller gear make during one complete rotation of the larger gear?
itsmichelle29
  • itsmichelle29
I medal and fan !!!!
itsmichelle29
  • itsmichelle29
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triciaal
  • triciaal
circumference = 2 * pi * r one rotation use r = 2 angle /360 = length/ circumference equate the length of the arc for the large circle with the circumference of the small circle here the radius = 8 solve for angle ratio of circumferences
itsmichelle29
  • itsmichelle29
the cir for small is 12.56 and for the big one is 50.24 right
itsmichelle29
  • itsmichelle29
@triciaal
itsmichelle29
  • itsmichelle29
@triciaal
itsmichelle29
  • itsmichelle29
I need help with part1 only
triciaal
  • triciaal
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