In the given figure- the area enclosed between the two concentric circles is 770 cm 2- If the radius of outer circle is 21 cm- calculate the radius of the inner circle-A- 7 cmB- 14 cmC- 28 cmD- 21 cmE- 42 cm

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Circumference of a Circle

In the given ...

Question

In the given figure, the area enclosed between the two concentric circles is 770 cm². If the radius of outer circle is 21 cm, calculate the radius of the inner circle.

7 cm

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14 cm

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28 cm

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21 cm

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42 cm

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Similar questions

The area enclosed between the concentric circles is $770 c m^{2}$ . If the radius of the outer circle is 21 cm, find the radius of the inner circle.

770

c m^{2}

21

c m

808.5 c m^{2}

242 c m

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