Consider circle N with radius 30 cm and Theta equals StartFraction pi Over 6 EndFraction radians. Circle N is shown. Line segments L N and M N are radii with lengths of 30 centimeters. Angle L N M is theta.

What is the approximate length of minor arc LM? Round to the nearest tenth of a centimeter.

12.4 centimeters
15.7 centimeters
31.4 centimeters
36.7 centimeters

step-by-step explanation:

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step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2