b.diameter =18m find circumference
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Radius = 1/2 × diameter = 9 cm
circumference = 2 pie r
= 2 × 22/7 × 9
= 56.57 cm
circumference = 2 pie r
= 2 × 22/7 × 9
= 56.57 cm
Answered by
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Circumference of a cirlce = 2 (pi) r
Given diameter = 18m ,
Radius = d/2 = 18/2
=> r = 9m
Therefore, circumference = 2 x 3.14 x 9
= 2 x 28.26
= 56.52m.
Given diameter = 18m ,
Radius = d/2 = 18/2
=> r = 9m
Therefore, circumference = 2 x 3.14 x 9
= 2 x 28.26
= 56.52m.
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