Question

Can someone help me here:

Answer 1

@Michele_Laino can you give me that formula again

Answer 2

here is my formula:
\[\Large L = \alpha \times R\]

Answer 3

you have to transform your angle from degrees to radians, first

Answer 4

we have to solve this proportion:
300:x=180: pi
so we have:
x=300*pi/180= 5*pi/3, so it is right.
Now you have to apply my formula above
\[L = \alpha \times R\]

Answer 5

L = ? * ?

Answer 6

L=5*(pi/3)*2=...?

Answer 7

can someone help me?

Answer 8

so waht is the right option?

Answer 9

@Howard-Wolowitz