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In a circle with a 8 in radius, how long, in inches, is an arc associated with 2.6 radians.

In a circle with a 8 in radius, how long, in inches, is an arc associated with 2.6 radians.
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4 votes
In a circle with a 8 in radius, how long, in inches, is an arc associated with 2.6 radians.

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User Rob Porter
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8.1k points

1 Answer

3 votes
s = r·α is the formula to find the arc length (s), given the radius (r), and angle measure (α) in radians.
If the angle measure is NOT given in radians you must convert to radians.

s = 8 · 2.6
s = 20.8 in
answered
User Paulo Costa
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8.7k points
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