Question

A race track is in the form of a ring whose inner circumference is of 396 m and
park.
eater circumference is of 440 m. Find the width and area of the track.
A circular grassy plot of land of diameter 42 m has a path of wide 35 m minning​

Answer 1

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

=63−56=7m.

Answer 2

Answer:

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