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Grade 8 radius, diameter and circumference

Quiz by Quinton Meades

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7 questions
Show answers
  • Q1
    A circle has a diameter of 10 cm. What is its circumference?
    15.7079 cm
    31.4159 cm
    21.9911 cm
    62.8318 cm
    30s
  • Q2
    A circle has a circumference of 20 cm. What is its radius?
    1.5915 cm
    3.1831 cm
    10 cm
    6.3662 cm
    30s
  • Q3
    A circle has a diameter of 16 meters. What is its circumference?
    100.531 meters
    75.3982 meters
    25.1327 meters
    50.2655 meters
    30s
  • Q4
    A circle has a radius of 9 cm. What is its circumference?
    84.823 cm
    113.0972 cm
    28.2743 cm
    56.5486 cm
    30s
  • Q5
    A circle has a diameter of 12 cm. What is its approximate circumference?
    6 cm
    18.84 cm
    75.36 cm
    37.68 cm
    30s
  • Q6
    A circle has a radius of 8 cm. What is its approximate circumference?
    25.12 cm
    100.48 cm
    16 cm
    50.24 cm
    30s
  • Q7
    A circle has a diameter of 10 cm. What is its approximate circumference?
    31.4 cm
    62.8 cm
    15.7 cm
    20 cm
    30s

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