Question

A race track is in the form of a ring whose inner circumference is 528 m and the outer circumference is 616 . Find the width

Answer 1

Answer:

The Width of the track is 14 m

Step-by-step explanation:

Given :

• Inner Circumference = 528 m

• Outer Circumference = 616 m

Find:

• The Width of the track

Solution:

Inner circumference = 2 π r

➙ 2 × 22 / 7 × r = 528

➙ 44 / 7 × r = 528

➙ r = 528 × 7 / 44

➙ r = 12 × 7

➙ r = 84 m

Outer Circumference = 2πR

➙ 2 × 22 / 7 × R = 616

➙ 44 / 7 × R = 616

➙ R = 616 × 7 / 44

➙ R = 14 × 7

➙ R = 98 m

Width = outer radius - inner radius

➙ 98 m - 84 m

➙ 14 m

Therefore,

The Width of the track is 14 m

Answer 2

Step-by-step explanation:

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