Question

calculate the radius of circle whose circumference is 44cm

Answer 1

2
$2\pi \times r = 44$
So 2 *22/7* 4=44=7 so the radius =7
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Answer 2

hi
let the radius be r
2πr=44
2*22/7*r=44
r=44*7/22*2
r=7
therefore radius of the circle is 7cm