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Posted by on Wednesday, January 18, 2012 at 7:43pm.

If an object travels in a circle 32pi/5 radians, at what degree measure is it, relative to where it started?

a) 1052°
b) 144°
c) 72°
d) 98.6°

I got 1152° but there is no option for the answer, what did I wrong?

  • Math - , Wednesday, January 18, 2012 at 7:51pm

    32PI/5 rad* 180 deg/PI= 32/5*180=32*36

    You are right.

  • Math - , Wednesday, January 18, 2012 at 7:51pm

    32/5 = 6 2/5

    so we have gone 6 pi radians + 2/5 of a radian
    but 6 pi radians is 3 whole circles
    so we end up at (2/5)pi radian
    (2/5)pi(180/pi) = 72 degrees

  • Math - , Wednesday, January 18, 2012 at 7:53pm

    Tricky :)

  • Math - , Wednesday, January 18, 2012 at 7:57pm

    Why is 32/5 = 6 2/5?

  • Math - , Wednesday, January 18, 2012 at 8:05pm

    Jake, division
    5 ( 6 + 2/5)/5 = (30 + 2)/5 = 32/5

  • Math - , Wednesday, January 18, 2012 at 8:06pm

    6 remainder 2

  • Math - , Wednesday, January 18, 2012 at 8:21pm

    Thank you~

  • science - , Wednesday, January 18, 2012 at 8:25pm

    the body breaks down both physically and?

  • Math - , Wednesday, January 18, 2012 at 8:34pm

    Well mine is pretty cooked mentally.

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