Mensuration · Question 16 · Easy
What is the circumference of a circle of radius 21 cm? (Use π = 22/7)
- 1,386 cm
- 132 cm
- 66 cm
- 121 cm
Answer and explanation
Answer: B. 132 cm
Explanation: Circumference = 2πr = 2 × 22/7 × 21 = 132 cm.
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