1) Which best describes the circumference of a circle? a) Distance from the centre to the edge of a circle b) Distance from one edge of a circle to another through the centre c) The distance around the outside of a circle 2) How do you calculate the circumference of a circle? a) circumference = pi x radius b) circumference = pi x diameter c) circumference = pi x tangent 3) What is the formula for the circumference of a circle? a) c = πd b) c = πr c) c = π 4) A circle has a diameter of 10cm. What is the circumference of the circle in terms of π ? a) c = 20π cm b) c = 10π cm c) c = 5π cm 5) A circle has a diameter of 7cm. What is the circumference of the circle in terms of π ? a) c = 7π cm b) c = 14π cm c) c = 3.5π cm 6) A circle has a diameter of 2.5cm. What is the circumference of the circle in terms of π ? a) c = 1.25π cm b) c = 5π cm c) c = 2.5π cm 7) A circle has a radius of 5cm. What is the diameter of the of the circle? a) 5 cm b) 10 cm c) 2.5 cm 8) A circle has a radius of 5cm. What is the circumference of the circle in terms of π ? a) c = 10π cm b) c = 5π cm c) c = 2.5π cm 9) A circle has a radius of 50cm. What is the circumference of the circle in terms of π ? a) c = 25π cm b) c = 50π cm c) c = 100π cm 10) A circle has a radius of 12cm. What is the circumference of the circle in terms of π ? a) c = 12π cm b) c = 24π cm c) c = 6π cm

Circumference of a Circle Quiz

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