This question calculates circumference for a larger circle.
\( \begin{array}{l}\text{A circle has radius 10 cm.}\\ \text{Calculate its circumference to 1 decimal place.}\end{array} \)
Choose one option:
Multiply 2 × π × radius to find circumference.
Higher difficulty requires careful multiplication with decimals and understanding units. Students must visualise the circle and apply formulas correctly. Practising with different radii improves fluency and confidence.
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