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    related to: r&l tracking
  1. ... = 2 * {side length} + 2 * {semicircle arc length}. = 2 * l + 2 * {π r }. = 2l + 2π r . = 2 ( l + π r ). So: 880 = 2 ( l + π r ). 440 = l + π r . Or, if you like: l ...

    1 Answers · Science & Mathematics · 17/11/2012

  2. There is no accompanying figure so we can't help you.

    1 Answers · Science & Mathematics · 17/11/2012

  3. Length= 2(pi) r +2l=880 , (pi) r + l = 440 , l = 440 - (pi) r , area rectangle=A = 2rl = 2r[440 - (pi) r ] = 880r - 2(pi) r ^2 , A'= 880 - 4(pi) r =0 , r = 220/pi , l =440-(pi)(220/pi) = 440 - 220 = 220

    1 Answers · Science & Mathematics · 01/07/2013

  4. use x= r *cos(t) and y= r *sin(t)

    1 Answers · Science & Mathematics · 17/11/2012

  5. ...and area pi* r ^2+(2L* r ), I think you find area when using the r value when L =100, and find the area when using the L value when r =20, and just use...

    1 Answers · Science & Mathematics · 27/05/2008

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