Devika wants to decorate 2 semi-circular cardboards, each of radius 28 – InterviewSolution

1.

Devika wants to decorate 2 semi-circular cardboards, each of radius 28 cm, by putting coloured ribbonalong its boundary. How much ribbon is required to decorate the cardboards?Option I: 144 cmOption 2: 176 cmOption 3: 288 cmOption 4: 352 cm

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OP 2

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