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The ratio of the radii of two circles is...

The ratio of the radii of two circles is 2:3. Find the ratio of their circumference.

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ICSE-PERIMETER AND AREA -TRY THIS
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  7. Find the area of a circular plate of radius 1.4 m.

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  14. Convert the as direct. 6.5 sq. m into sq. cm

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  15. Convert the as direct. 0.005 sq. m into sq. cm

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  16. Convert the as direct. 10 sq. km into sq. m

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