Mathematics

7th

grade

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Circumference and Area of Circles

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13 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    What is the circumference of a circle with a diameter of 40 in? 
    125.6 in
    35.17 in
    28.67 in
    47.17 in
  • 2. Multiple Choice
    15 minutes
    1 pt
    A minute hand (radius) of a clock is 13.8 meters long. What is the circumference of the clock?
    86.66 meters
    76.66 meters
    66.66 meters
    96.66 meters
  • 3. Multiple Choice
    1 minute
    1 pt
    What is the circumference of a circle with a radius of 21 cm?
    131.9 cm
    121.9 cm
    111.9 cm
    141.9 cm
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