Answer:

Explanation:
S = Arc Lenth
θ = Radians
R = Radius
S = θR
So, now that we understand the formula, we will convert 72° into radians by introducing the equation
, x = 72
S =

given that R = 10
S =

S =

We simplify 720 as 180 goes into 720 4 times and we get
S =

Hope this helps