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CBSE Notes 2011-2012

The areas of two concentric circles forming a ring are 154 square cm and 616 square cm. The breadth ...

Multiple choice question

The areas of two concentric circles forming a ring are 154 square cm and 616 square cm. The breadth of the
ring is

unknown

7/2 cm

unknown

14 cm

unknown

7 cm

unknown

21 cm