What percentage does the shaded sector cover of the whole circle? At all points, the radius of the circle is [[$ 3.5 $]] cm.


a)

Answer: The area is [[$ \% $]] of the area of the whole circle.

b)

Answer: The area is [[$ \% $]] of the area of the whole circle.

c)

Answer: The area is [[$ \% $]] of the area of the whole circle.