The area of two concentric circles forming a ring are 154 sq cm and 616 sq cm the width of the ring ?if
shrushti771:
we have to find radius
Hi ,
Yes you have to first find radius then only you could find width
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Answer:
Step-by-step explanation:
154=pi (r)^2
r=x
Then 616=pi (R)^2
R=X
Width will be= R-r=X-x
Doing by this method will definitely help you
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