Question

find the circumference of a circle whose radius is 7 cm​

Answer 1

Answer:

43.98

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Answer 2

$\underline{\underline{\underline{\underline{\mathfrak{\blue{ \:\:\: Given:-\:\:\:}}}}}}$

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• Radius of the circle is 7 cm.

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$\underline{\underline{\underline{\underline{\mathfrak{\blue{ \:\:\: Find\:out:-\:\:\:}}}}}}$

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• The circumference of the circle = ?

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$\underline{\underline{\underline{\underline{\mathfrak{\green{ \:\:\: Solution:-\:\:\:}}}}}}$

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$\footnotesize\bold{\underline{\underline{\sf{\red{Formula\: Used:-}}}}}$

${\underline{\boxed{\sf{Circumference = 2\pi r}}}}$

$\footnotesize\bold{\underline{\underline{\sf{\red{Putting\: the\: values:-}}}}}$

$\leadsto \sf \: Circumference = 2 \times \dfrac{22}{ \cancel7} \times \cancel{7} \\ \\ \leadsto \sf \: Circumference =2 \times 22 \\ \\ \leadsto \sf \: Circumference =\large{\boxed{\bf\orange{44\:cm}}}$

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$\underline{\underline{\underline{\underline{\mathfrak{\pink{ \:\:\: AnswEr:-\:\:\:}}}}}}$

• The circumference of the circle is 44 cm.