Ask your own question, for FREE!
Mathematics 13 Online
OpenStudy (anonymous):

An outside circular ring has a circumference of 120 cm. What is the circumference of an inner ring which is 10 cm shorter in radius? Both circles have the same center.

OpenStudy (anonymous):

OpenStudy (anonymous):

let's suppose the inner radius is 'r',then we can have an expression about your problem:|dw:1339000753886:dw| then the 'r' is just a constant,|dw:1339000916042:dw|

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!