Please show your work

45

Step-by-step explanation:

I used the Pythagorean theorem which is a^2 + b^2 = c^2

a= 3

b= 6

c= ??

3^2 + 6^2 =

9 + 36 =

To cancel the ^2 add a

cancel them out

so the final answer is 45

step-by-step explanation:

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.