krustykrabpiza krustykrabpiza

15-03-2019
Mathematics

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Find the circumference of a circle that has a diameter of 4 m..

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aswinkrishna73 aswinkrishna73

15-03-2019

If diameter = 4,

then radius = 4/2 = 2m.

Formula for the Circumference of a Circle = 2[tex]\pi[/tex]r

2[tex]\pi[/tex]r = 2 x 22/7 x 2

2 x 22/7 x 2 = 4 x 22/7 = 88/7

= 12.5714286 cm.

It can be also be rounded up into 12.6 cm.

So, the Circumference of the Circle is 12.6 cm or 12.5714286 cm.

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