Math, asked by soniobra7, 1 month ago

please help me in mathem.atics

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Answered by shrawani45

3

$circumference = 2\pi \: r$

7cm: 2×22/7×7=44cm
6.3 cm:2×22/7×6.3=39.6
5.6 cm:2×22/7×5.6=35.2 cm
4.2 cm:2×22/7×4.2=26.4 cm

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