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Subjects
Mathematics State Board
Class 7
Measurements
Circumference of a Circle
1.
Calculate a circumference of circle
Exercise condition:
2
m.
Consider a
tire
consist of
21
\(cm\) in diameter. Calculate the circumference of the
tire
if \(π\ \)\(= \)\(3.14\).
Circumference of the
tire
is ________
\(cm\).
62
75
66
71
[
Note
: Round off the circumference and select the answer.]
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