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A circle has diameter 14 cm. Taking pi as 22 by 7, its circumference is:

A46 cm
B48 cm
C44 cm
D42 cm
Answer & Solution
Correct answer: C. 44 cm
1. Circumference is pi times diameter. 2. Twenty two over seven times fourteen is forty four. 3. So it is 44 cm. _Source: syllabus Mathematics Class X, Chapter 12, Areas Related to Circles._
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