find the circumference of each circle . take π= 22/7 in question 1,π=3.14 in question 2 π=3.142 in question 3
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Step-by-step explanation:
π = 22/7
raidus = r cm
(1) circumference of circle = 2πr
= 2 * 22/7 * r
= 44/7r
similarly in (2) the circumference of circle is 6.28r cm
or in (3) is 6.284r cm
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