Q. No. 13. Give the answer in step by step solution.
Attachments:
![](https://hi-static.z-dn.net/files/df9/19df6417c298297a7379f85bdb8726dd.jpg)
Answers
Answered by
2
Is this is book of DAV class 7
Attachments:
![](https://hi-static.z-dn.net/files/da9/c36a8bcbe38b59947757924ce08d9a70.jpg)
subham81:
Yes, how did you know!
Answered by
4
Answer:
4:1
Step-by-step explanation:
Circumference of small circle= 2 22/7r
Circumference of bigger circle= 2 22/7r
= 4(2 22/7r) / 2 22/7r
= 4:1
Similar questions