If you open math book you will find a lot of mathematical questions but
youshould have solve this question.
It is from class 10 rd sharma chapter 15.4 mensuration .
In this question we have to find the area of the track and the length
of the outer running track given that inner perimeter of a running track
is 400 m. The length of each of the straight portion is 90 m and the ends
are semi-circles. If the track is everywhere 14 m wide, find the area of
the track. Also, find the length of the outer running track.