Answer:
Distance covered by hula hoop rolls in 4 full rotations is 880 cm .
Explanation:
Formula

Where r is the radius of the circle.
As given
Allison is rolling her hula hoop on the playground.
The radius of her hula hoop is 35 cm.
r = 35 cm

Putting the value in the formula

= 220 cm
As given
The hula hoop rolls in 4 full rotations.
Distance covered by hula hoop rolls in 4 full rotations = 220 Ă— 4
= 880 cm
Therefore the Distance covered by hula hoop rolls in 4 full rotations is 880 cm .