Question

9. A racetrack is in the form of a ring whose inner circumference is 352 m
and outer circumference is 396 m. Find the width and the area of
the track.
​

Answer 1

Answer:

Let the radius of inner track =r

2πr=352

2×

7

22

×r=352

r=56

let the radius of outer track =R

2πR=396

2×

7

22

×R=396

R=63

width of track= radius of outer track−radius of inner track

=63−56=7m.

Step-by-step explanation:

please follow me