Mathematics
A circular field of radius 105 m has a circular path of uniform width of 5 m along and inside its boundary. Find the area of the path.
Related Questions
Find the area of a flat circular ring formed by two concentric circles (circles with same centre) whose radii are 9 cm and 5 cm.
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
A wire, when bent in the form of a square, encloses an area of 484 cm2. Find :
(i) one side of the square
(ii) length of the wire
(iii) the largest area enclosed, if the same wire is bent to form a circle.
A wire, when bent in the form of a square, encloses an area of 196 cm2. If the same wire is bent to form a circle, find the area of the circle.