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The diameters of two given circles are i...

The diameters of two given circles are in the ratio 12 : 5 and the sum of their areas is equal to the area of a circle of diameter 65 cm. What are their radii?

A

12 cm and 5 cm

B

24 cm and 10 cm

C

60 сm and 25 cm

D

30 cm and 12.5 cm

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