alleryStart learning →A circle has radius 7 cm. Taking pi as 22 by 7, its circumference is:
A22 cm
B49 cm
C14 cm
D44 cm
Answer & Solution
Correct answer: D. 44 cm
1. Circumference is two pi r.
2. Two times twenty two over seven times seven is forty four.
3. So it is 44 cm.
_Source: syllabus Mathematics Class X, Chapter 12, Areas Related to Circles._
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