Question

CIRCUMFERENCE

Answer 1

@Directrix

Answer 2

i got 6?

Answer 3

30 degrees is to the circle in degrees (360) as the arc length is to the circumference of the circle.

30/360 = x/72 where x is the length in cm of arc DE

Answer 4

So, solve this for x:

30/360 = x/72

Answer 5

6

Answer 6

6 is what I got.