Question

3. The ratio of the diameters of two circles is 3 : 7. Find the
ratio of their circumferences
​

Answer 1

Answer:

Here goes your answer

hope this helps

thank you

Answer 2

Answer:

d₁ = 3x

d₂ = 7x

Circumference = $2\pi r$

= $\pi d$ $[2r * \pi = \pi d]$

$\frac{C1}{C2}$ $= \frac{\pi (3x)}{\pi (7x)}$ $= \frac{3x}{7x}$ $=\frac{3}{7}$

$\frac{C1}{C2} =\frac{3}{7}$

Ratio of circumferences = 3 : 7

Hope it helps

Please mark my answer as BRAINLIEST