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  • 14-03-2020
  • Mathematics
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Favouredlyf Favouredlyf
  • 14-03-2020

Answer: option A is the correct answer.

Step-by-step explanation:

The formula for determining the length of an arc is expressed as

Length of arc = θ/360 × 2πr

Where

θ represents the central angle.

r represents the radius of the circle.

π is a constant whose value is 3.14

From the information given,

Radius, r = 4 miles

θ = 140 degrees

Length of arc = 140/360 × 2 × 3.14 × 4

Length of arc = 9.8 miles to the nearest tenth

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