Question

So , there is this thing that says : "the circumference of a circle is 7,850 , whats the radious?

Answer 1

1250 (corrected to 3 significant figures)

Explanation:

the formula to calculate circumference is 2πr, where r is the radius.

hence, we can form the equation

2πr = 7850

r ≈ 1249.3663

= 1250 (corrected to 3 significant figures)