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gabbyalicorn

  • one year ago

What is the perimeter of the figure to the nearest tenth of a millimeter? A. 9.4 millimeters B. 12.0 millimeters C. 21.4 millimeters D. 30.8 millimeters

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  1. gabbyalicorn
    • one year ago
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  2. gabbyalicorn
    • one year ago
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    @MonKiwi

  3. anonymous
    • one year ago
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    Well, you can use KHDBDCM to transfer it to milimeters

  4. gabbyalicorn
    • one year ago
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    KHDBDCM?

  5. anonymous
    • one year ago
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    To find the perimeter, you find the perimeter of the square and add it to the perimeter of the semi-circle. Can you find these?

  6. gabbyalicorn
    • one year ago
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    is 18mm the perimeter?

  7. gabbyalicorn
    • one year ago
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    Okay so i got the answer 19.42

  8. anonymous
    • one year ago
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    KHDBDCM. It helps you transfer them. So, were doing meters, so it would be Kilo-meters, Deca-meters,Meters,Deci-meters, Centi-meters, Mili-meters (I remember it by using King Henry Died By Drinking Chocolate Milk) The semi circle is the same as the last one, 18.84, and the square equals 12. 18.84 + 12 = 30.84, which rounds to 30.8mm

  9. anonymous
    • one year ago
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    Oh, its already in Milimeters, My apologies!

  10. gabbyalicorn
    • one year ago
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    np

  11. anonymous
    • one year ago
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    But, the radius of the circle is 6. 2 x 6 x pi /2 = 18.84. 3 + 3 + 6 = 12. 12 + 18.84 = 30.84 which rounds to 30.8

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