Question

Long Answer Questions
A race track is in the form of a sing whose inner circumference is 220 m and outer circumference is
550 m. Find the width of the track​

Answer 1

Answer:

Here the difference between the circumferrnces =308-220m = 88m

then

2\pi \times x = 88

x= 14 m

so the width of the track =14m

Answer 2

Answer:

let the inner radius = r

the outer radius =R

according to question

2 × pi × r = 220

r= 35 m

2 × pi × R = 550 R= 87.5

therefore width of track = R-r

= 87.5 - 35

= 52.5 m

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