PDF chapter test TRY NOW
1. Find the circumference of the circles whose radii are given below.
(i) \(49 \ cm\)
Answer:
Circumference \(=\) \(cm\)
(ii) \(91 \ mm\)
Answer:
Circumference \(=\) \(mm\)
2. The diameter of a circular well is \(4.2 \ m\). What is its circumference?
Answer:
Circumference \(=\) \(m\)
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