Perimeter of a semi circle is 108 cm find its radius
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Circumference of circle =108cm
=2πr
108=2πr
108=2*22/7*r
108=44/7*r
r=108*7/44
Therefore Radius=17.1cm
=2πr
108=2πr
108=2*22/7*r
108=44/7*r
r=108*7/44
Therefore Radius=17.1cm
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