Find the Length of an Arc of a Circle of Radius

question 36

Multiple Choice

Find the length of an arc of a circle of radius $12$ ft if the arc subtends a central angle of $135 ^ { \circ }$

• A) \(s = \frac { 3 \pi } { 4 } \mathrm { ft }\)
• B) \(s = 12 \pi \mathrm { ft }\)
• C) \(s = \frac { 9 \pi } { 8 } \mathrm { At }\)
• D) \(s = 9 \pi \mathrm { ft }\)
• E) \(s = 12 \mathrm { f }\)