The inner circumference of a circular race track, 14 m wide, is 440 m. Find the radius of the outer circle.

The inner circumference of a circular race track,14 m wide,is 440m. Find the radius of the outer circle.

The inner circumference of a circular race track 7 m wide is 440 m. Find the radius of the outer circle.

The inner circumference of a 7 m wide circular race track, is 220 m. Find the radius of the outer circle.

The inner circumference of a circular path around a circular lawn is 440 m . What is the radius of the outer circumference of the path , if the path is 14 m wide ?

The inner circumference of a circular track is 440 m. The track is 3.5 m wide all around Find the outer circumference and also the area of the track.

The outer and inner circumferences of a circular road are 462m and 440m respectively. Find the width of the road.

The inner circumference of a circular track is 220 m and the width of the track is 7 m. Calculate the cost of putting up a fence along the outer circle of the track at the rate of Rs. 50 per m.

The area of the region between two concetric circles is 346.5cm^2 .If the circumference of the inner circle is 88 cm.,find the radius of the outer circle.