Question

A circular park has a path of uniform width around it. The difference
between outer and inner circumferences of the circular path is 132m. Find
the width of the path.​

Answer 1

Answer:

Let r

1

and C

1

be the radius and the circumference of the outer circle.

Let r

2

and C

2

be the radius and the circumference of the inner circle.

The width of the circular path is (r

1

−r

2

) m.

Given, C

1

−C

2

=132 m

⇒2πr

1

−2πr

2

=132

⇒2π(r

1

−r

2

)=132

⇒r

1

−r

2

=

7

22

66

⇒r

1

−r

2

=21

Thus, width of the circular path is 21 m.

Step-by-step explanation:

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