Math, asked by ammasgi, 1 year ago

find the area of a circular ring formed by the circumference of two concentric circles of radius 11 M and 4 m also find the cost of painting this ring at the rate of 21 per metre square

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Answered by Anonymous
62
Ur answer is in the attachment.

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Saurav04: thanks
Anonymous: wlcm :-)
Answered by sk7462176
13

Answer:

Answer is 6930

Step-by-step explanation:

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