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Circumference of a circle

Quiz by DAVID VEGA

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20 questions
Show answers
  • Q1
    Find the circumference of the circle: r = 8cm
    Question Image
    24
    18
    96
    50.24
    120s
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    Delete
  • Q2
    Find the circumference of the circle: d = 36 ft
    Question Image
    12.56
    113.04
    36
    56.52
    120s
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    Delete
  • Q3
    Find the radius of the circle: d = 36 ft
    Question Image
    14
    18
    72
    38
    120s
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    Delete
  • Q4
    Find the diameter of the circle: r = 8 cm
    Question Image
    8
    10
    4
    16
    120s
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  • Q5
    What does "circumference" mean?
    line from one side of a circle to another
    space a circle takes up
    line from center of circle to side
    distance around a circle
    120s
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  • Q6
    Find the circumference (to the nearest whole number)
    Question Image
    116 square in.
    44 in
    88 in
    none of the above
    120s
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  • Q7
    What is the circumference of a circle with a diameter of 1 inch? Use 3.14 for pi.
    6.28 inches
    31.4 inches
    3.14 inches
    62.8 inches
    120s
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  • Q8
    How much does pi stand for?
    4.31
    1.34
    3.14
    3.41
    120s
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  • Q9
    What is the circumference of this circle?
    Question Image
    68.4 cm
    3.14 cm
    37.68 cm
    24 cm
    120s
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  • Q10
    A bicycle tie has a diameter of 27 inches. What is the circumference of the tire?
    42.39
    27.18
    84.78
    13
    120s
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    Delete
  • Q11
    Daniel wants to buy cookies for her friend. The radius of the cookie is 5 inches. What is the cookie's circumference?
    31.4 in.
    15.7 in.
    10 in.
    2.5 in.
    120s
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  • Q12
    What is the circumference of the circle? r = 22 in. d = 44 in.
    2.5 in.
    138.16 in.
    125.23 in.
    222 in.
    120s
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  • Q13
    The radius of the circle is 9 meters. What is the circle's circumference?
    Question Image
    9 meters
    56.52 meters
    18 meters
    28.26 meters
    120s
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  • Q14
    Does this picture show the diameter or radius of a circle?
    Question Image
    radius
    diameter
    120s
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  • Q15
    Does this picture show the diameter or radius of a circle?
    Question Image
    Radius
    Diameter
    120s
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  • Q16
    A bicycle tire has a diameter of 20 inches. How many inches is one full revolution of the wheel?
    125.6 in.
    1256 in.
    62.8 in.
    31.4 in.
    120s
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  • Q17
    Other than the formula C=πd, what is another formula for circumference of a circle
    C=2π
    C=πd²
    C=2πr
    C=πr²
    120s
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  • Q18
    Radius: 7 yards Circumference ?
    14
    153.86
    21.98
    43.96
    120s
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  • Q19
    If my diameter is 19 inches, what is my radius?
    119.32 inches
    9.5 inches
    38 inches
    59.66 inches
    120s
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    Delete
  • Q20
    If my radius is 10 ft, what is my diameter?
    20 ft
    5 ft
    31.4 ft
    62.8 ft
    120s
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    Delete

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