Question

the ratio of the radii of two circles is 3:2 and the ratio of their circumferences is​

Answer 1

Answer:

I don't know this question answer

Answer 2

3:2

Step-by-step explanation:

Ratio of their radii = 3:2.

Let radius of the first be 3x, and radius of the other be 2x.

Then, circumference :-

$circumference = 2 \times \pi \times r$

Where,

• r = radius.

Applying values :-

$circumference \: of \: first = 2 \times \frac{22}{7} \times 3x$

$= > \frac{132x}{7}$

$circumference \: of \: second = 2 \times \frac{22}{7} \times 2x$

$= > \frac{88x}{7}$

Now,

ratio is :-

$\frac{132x}{7} : \frac{88x}{7} = \frac{132x}{7} \div \frac{88x}{7} = \frac{132x}{7} \times \frac{7}{88x}$

$= > \frac{132x}{88x} = \frac{3}{2} = 3 : 2$

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