Question

10. 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:

63−56=7m

Step-by-step explanation:

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