The areas of two concentric circle are 1386cm square and 1886.5cm square respectively. find the width of the ring
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rajatkumar7th:
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its a simple question
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did you understand my solution ?
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Hi Rajat ,
Ring width = Bigger circle area - Smaller circle area
ring width = 1886.5 - 1386
= 500.5 sq cm
so the required width of the ring is 500.5 sq cm
Hope it helped.
Let me know if you have any doubts.
Ring width = Bigger circle area - Smaller circle area
ring width = 1886.5 - 1386
= 500.5 sq cm
so the required width of the ring is 500.5 sq cm
Hope it helped.
Let me know if you have any doubts.
let me know why this is reported ?
wrong Answer...Real answer is 3.51 c.m
3.51 cm
width of ring will be in area units
cm is radius unit
try to draw the diagram n see , hope u will find same answer as mine
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