Question

The circumference of a circular track is 400. Find its radius​

Answer 1

Answer:

The radius is 63.69.

Step-by-step explanation:

Given:

The circumference of a circular track is 400.

Now, to find the radius:

So, to get the radius(r) we put the formula of circumference:

$Circumference=2\pi r$

⇒ $400=2\times 3.14\times r$

⇒ $400=6.28\times r$

Dividing both sides by 6.28 we get:

⇒ $63.69=r$

⇒ $r=63.69$

Therefore, the radius is 63.69.