Find the Radian Measure of the Central Angle of a Circle

question 33

Multiple Choice

Find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s. ?
Radius r
Arc Length s
6 inches
?20 inches
?
?

• A)? = ?120 radians
• B)? = \(\frac { 3 } { 10 }\) radians
• C)? = \(\frac { 3 } { 13 }\) radians
• D)? = \(\frac { 10 } { 3 }\) radians
• E)? = 26 radians

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