Question

Mei and Anju are sitting next to each other on different horses on a carousel. Mei’s horse is 3 meters from the center of the carousel. Anju’s horse is 2 meters from the center. After one rotation of the carousel, how many more meters has Mei traveled than Anju?

Answer 1

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Answer 2

Answer: Mei traveled 6.2m more than Anju

Step-by-step explanation:

As we know carousel  is circular

∴ distance covered will be circumference of circle

Now  we know that  $\text {circumference of circle} =2\pi r$ where r is radius

Mei's horse is 3 m away from the carousel  i.e r = 3 m

Distance covered by Mei's =  $2\pi \times 3= 6\pi \text { m}$

Anju's horse is 2 m away from the carousel i.e r = 2 m

Distance covered by Anju = $2\pi \times 2= 4\pi \text{ m}$

Mei traveled more $=6\pi - 4\pi = 2\pi \text { m} \approx 6.2m$

Hence, Mei traveled 6.2m more than Anju