The circumference of the circle below is \( 15 \mathrm{~cm} \).
Work out the diameter of the circle. Give your answer in centimetres \( (\mathrm{cm}) \) to 1 d.p.
circumference \( =15 \mathrm{~cm} \)
Answer
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Answer
\(d = \frac{15}{\pi} \approx 4.8 \mathrm{~cm}\)
Steps
Step 1 ：\(C = 15 \mathrm{~cm}\)
Step 2 ：\(C = \pi d\)
Step 3 ：\(d = \frac{15}{\pi} \approx 4.8 \mathrm{~cm}\)
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