Mathematics

9th -

12thgrade

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Area and circumference

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13 questions

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  • 1. Multiple Choice
    3 minutes
    1 pt
    Image
    what is the circumference of this circle ?
    3.14 cm 
    37.68 cm
    24 cm
    68.4 cm
  • 2. Multiple Choice
    3 minutes
    1 pt
    Find the circumference of a circle with a radius of 12.5 mm .
    37.68mm
    18.84mm
    78.5mm
    none of the above
  • 3. Multiple Choice
    3 minutes
    1 pt
    If you are given the diameter, how can you calculate the radius?
    Multiply the diameter by 2
    Divide the diameter by 2
    Add 2 to the diameter
    Subtract 2 from the diameter
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