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Q. 72

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Precalculus Enhanced with Graphing Utilities
Found in: Page 365
Precalculus Enhanced with Graphing Utilities

Precalculus Enhanced with Graphing Utilities

Book edition 6th
Author(s) Sullivan
Pages 1200 pages
ISBN 9780321795465

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Short Answer

In the problem, s denotes the length of the arc of a circle of radius r subtended by the central angle θ. Find the missing quantity. Round answers to three decimal places.

r=6 feet, θ=2 radians, s=?

The length s of the arc is 12 feet.

See the step by step solution

Step by Step Solution

Step 1. Given information

r=6 feet , θ=2 radians , s=?

Step 2. Formula Used

For a circle of radius r , a central angle of θ radians subtends an arc whose length s is

s=rθ

Step 3. Calculation

We have,

r=6 feet and θ=2 radians

The length s of the arc is

s=rθ

s=6×2

s=12 feet

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