Math, asked by subham81, 10 months ago

Q. No. 13. Give the answer in step by step solution.

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Answers

Answered by Raechal

2

Is this is book of DAV class 7

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subham81: Yes, how did you know!

Raechal: bcoz I'm in same school

subham81: In which std. are you reading

Raechal: 9th

subham81: What is your name

Answered by nikitadere

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

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