Question

If the circumference of a circle is 176 cm, find its radius.​

Answer 1

Answer:

28

Step-by-step explanation:

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Answer 2

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• The circumference of the circle is 176 cm.

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• The radius of the circle = ?

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

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$\footnotesize\bold{\underline{\underline{\sf{\red{Given\: That:-}}}}}$

✪ Circumference (c) = 176 cm

$\implies \sf \: 2\pi \: r = 176\:cm \\ \\ \implies \sf \: 2 \times \dfrac{22}{7} \times r = 176 \: cm$

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$\star\small\sf\underline\blue{Therefore:-}$

$\implies \sf \: Radius = \dfrac{ \cancel{176} \times 7}{\cancel2 \times \cancel{22}} \\ \\ \implies \sf \: Radius = \dfrac{\cancel8 \times 7}{\cancel2} \\ \\ \implies \sf \: Radius = \dfrac{4\times 7}{\cancel2} \\ \\ \implies \sf \: Radius = 28 \: cm$

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

• The radius of the circle is 28 cm.