Mathematics

8th -

10thgrade

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Circles: Circumference and Area

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11 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
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    What is π ? (Best Choice)
    The ratio of the circumference of any circle to its diameter.
    Exactly 3.14
    Exactly 3.1415
    Exactly 3.141593
  • 2. Multiple Choice
    2 minutes
    1 pt
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    A Circle has a radius of 6 inches.  What is the circumference of the circle? (Best Choice)
    3π or about 9.42 in
    6π or about 18.84 in
    12π or about 37.68 in
    36π or about 113.04 in 
  • 3. Multiple Choice
    30 seconds
    1 pt
    Image
    A Circle has a radius of 6 inches.  What is the area of the circle? (Best Choice)
    3π or about 9.42 in2
    6π or about 18.84 in2
    12π or about 37.68 in2
    36π or about 113.04 in2 
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