1) If a circle has a diameter of 4cm, what is its radius? a) 12.57cm b) 50.27cm c) 8.00cm d) 2.00cm 2) If a circle has a diameter of 4cm, what is its circumference? a) 12.57cm b) 50.27cm c) 8.00cm d) 25.13 3) If a circle has a diameter of 4cm, what is its area? a) 12.57cm2 b) 50.27cm2 c) 8.00cm2 d) 25.13cm2 4) If the circumference of a circle is 60cm, approximately what is its diameter? a) 30cm b) 20cm c) 10cm d) 40cm 5) If the area of a circle is 75cm2, approximately what is the radius? a) 25cm b) 12cm c) 5cm d) 10cm 6) If the diameter of a circle is 4cm then its area and circumference have the same numerical value. a) True b) False

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