Find the length of the arc, S, on a circle of radius 7 inches intercepted by a central angle of . Round to two decimal places.
A) inches
B) inches
C) inches
D) inches
E) inches

Question

Find the length of the arc, S, on a circle of radius 7 inches intercepted by a central angle of  . Round to two decimal places.
A) inches 
B) inches 
C) inches 
D) inches 
E) inches

Quizplus · Accepted Answer

Using the formula for the length of an arc, $S = r	heta$, where $r$ is the radius and $	heta$ is the central angle in radians:
$$S = 7\cdot\frac{11\pi}{180} \approx 4.31$$
Round to two decimal places: $\boxed{	extbf{(D) }11eb80b1_afe2_dff9_a291_a7ac97ea5e01_TB8633_11 	ext{ inches}}.$

Find the Length of the Arc, S, on a Circle