9. The area of the ring between two concentric circles is 3168 cm 2. Find the radii of the two
circles if (i) their sum is 42 cm and (ii) their difference is 28 cm.
Answers
Answered by
8
Answer:
I hope this will help you
Attachments:
![](https://hi-static.z-dn.net/files/d66/aba630aba3de16eed4d27f7c44bc6123.jpg)
Similar questions
Math,
3 months ago
Computer Science,
3 months ago
Biology,
6 months ago
Biology,
6 months ago
History,
1 year ago