elise1805 elise1805

14-01-2019
Mathematics

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Find the circumference of a circle with radius 28cm. Take pi as 22/7

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bkangar08 bkangar08

14-01-2019

c=πr²
c=22/7*28²
c=22/7*784
c=(22*784)/7
c=22*112=2464

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kaerstyx kaerstyx

14-01-2019

The equation for circumference is
[tex]c = 2\pi \: r[/tex]

Ver imagen kaerstyx

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