Example Calculate the circumference of the dartboard. The diameter is twice the radius. d = 20 × 2 = 40 cm Circumference = 40 × π = 125.7 cm (1 decimal place).

2nd level Maths and Numeracy learning resources for adults, children, parents and teachers.

Contribute to RiverDevv/circumference-calculator development by creating an account on GitHub.

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