Question

The ratio of circumferences of two circles is 5:3. What is the ratio of there radii ​

Answer 1

Answer:

ratio if a first circle = 5x

ratio of a second circle = 3x

compare both circle

circumference of a 1st circle / circumference

of 2nd person 2 pie R/2

5x /3x = 22/7 R/2 × 22/7 r

5/3 = R/r

so ratio is = 5:3

may be it will help you

Answer 2

Given :

• Ratio of the circumference of circle is 5 : 3

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To Find :

• Ratio of radii

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Solution :

We know that

★ Circumference of circle = 2πr

➤ Let the radii be R and r

→ 5/3 = 2πR/2πr

→ 5/3 = πR/πr

→ 5/3 = R/r

∴ The ratio of their radii is 5:3