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

A race track is in the form of a ring whose outer and inner circumference are 506 m and 440 m respectively. Find the width of the track and also the area.

A race track is in the form of a ring whose outer and inner circumference are 506 m and 440 m respectively. Find the width of the track and also the area.

The radii of the inner and outer circumferences of a circular-running-track are 63 m and 70 m respectively. Find : (i) the area of the track (ii) the difference between the lengths of the two circumferences of the track

The inner and outer radius of a circular track are 56 m and 63m respectively. Find the area of the track

The inner and outer radius of a circular track are 56 m and 63m respectively. Find the area of the track

Two concentric circles form a ring.The inner and outer circumferences of the ring are 50(2)/(7)m and 75(3)/(7)m respectively.Find the width of the ring.

A racetrack is in the form of a ring whose inner and outer circumferences are 437 m and 503 m respectively. Find the width of the track and also its area.

A race track is in the form of a ring whose inner and outer circumferences are 44cm and 66 cm respectively. Find the width of the track.

If the outer and the inner radii of a circular track are 7 m and 3.5 m respectively, then the area of the track is ________.