Answer:

You could find it out by using arc length.

Step-by-step explanation:

r = 8cm

θ = 180°( as for 1hour minute hand travels 360° so for each minute it travels 6°)

Therefore,

L = πrθ/180

= 3.14(8)(180)/180

=3.14(8)

=25.12 cm

I hope it helped you!