The inner circumference of a circular path around a circular playground is 440 m. Find the sum of radius of the outer and inner circumference of the path, if the path is 7 m wide.
1
147 m
2
145 m
3
140 m
4
135 m
The inner circumference of a circular path around a circular playground is 440 m. Find the sum of radius of the outer and inner circumference of the path, if the path is 7 m wide.