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 3 years ago
An outside circular ring has a circumference of 100 cm. What is the circumference of an inner ring which is 5 cm shorter in radius? Both circles have the same center.
one circle inside another sharing the same center
20.0 cm
31.8 cm
56.8 cm
68.6 cm An outside circular ring has a circumference of 100 cm. What is the circumference of an inner ring which is 5 cm shorter in radius? Both circles have the same center.
one circle inside another sharing the same center
20.0 cm
31.8 cm
56.8 cm
68.6 cm @Mathematics
 3 years ago
An outside circular ring has a circumference of 100 cm. What is the circumference of an inner ring which is 5 cm shorter in radius? Both circles have the same center. one circle inside another sharing the same center 20.0 cm 31.8 cm 56.8 cm 68.6 cm An outside circular ring has a circumference of 100 cm. What is the circumference of an inner ring which is 5 cm shorter in radius? Both circles have the same center. one circle inside another sharing the same center 20.0 cm 31.8 cm 56.8 cm 68.6 cm @Mathematics

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hoblos
 3 years ago
Best ResponseYou've already chosen the best response.2is there any formula for circumference?

kiss69fist23
 3 years ago
Best ResponseYou've already chosen the best response.1if there is i dont kno it haha :/ sad...but true

kiss69fist23
 3 years ago
Best ResponseYou've already chosen the best response.1i can always count on dear shabeer to save tha day haha

hoblos
 3 years ago
Best ResponseYou've already chosen the best response.2abdul shabeer is there any formula??

abdul_shabeer
 3 years ago
Best ResponseYou've already chosen the best response.3Are the options rounded off ? I got the answer as 68.57142 still more

abdul_shabeer
 3 years ago
Best ResponseYou've already chosen the best response.3Circumference of circle = \[2*\Pi*r\]
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