Question

$hi$
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➡️the radii of two circles are in the ratio 2 :3 what is ratio of their circumferences?​

Answer 1

$2\pi \ \: r \div 2\pi \: \: r \\ \\ \\ so \: it \: becomes \: 4r \div 6r \\ so \: 2 \div 3 \\ \\ that \: circumferences$

circumferences 2/3

2:3

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Answer 2

Answer:

$\boxed{Ans = C_{1} : C_{2} = \frac{2}{3}}$

Step-by-step explanation:

$\text{Ratio of Radii = 2:3}\\\\\text{Let radii be 2x, 3x}\\\\\\\boxed{Circumference = 2\pi r}\\\\\\C1 = 4\pi x\\\\C2 = 6\pi x\\\\C_{1} : C_{2}= \frac{4\pi x}{6\pi x}\\\\\\\boxed{Ans = C_{1} : C_{2} = \frac{2}{3}}$

Hope this helps!