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la Group Title

Can u please help me with the 1st one...i worked hard dis morrnin and still cant get it please help the answer is 25.73 m^2 but IDK how the teacher got that! http://instagram.com/p/TBWGuQGH5D/

  • one year ago
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  1. cherio12 Group Title
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    So, I would find the total area of the whole things (rectangle and the circle) and then subtract the are of the circle So area of the whole thing is: 9*6=54 Now i need to subtract the circle Area of circle is (pir^2) so pi(3^2)=28.27 Then putting it all together 54-28.27=25.73

    • one year ago
  2. la Group Title
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    wat is pir & pi?

    • one year ago
  3. cherio12 Group Title
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    pir is just pi*r (r is radius

    • one year ago
  4. la Group Title
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    oh ok thank u!:)

    • one year ago
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spraguer (Moderator)
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