Which of the following segments is a radius a circle A
Bc
Ac
Cm
Rs 
                                             
                                          
                                          
                                        
											 
											Answer: Segment AC (second choice)
The radius is the segment that goes from the center, point A, to a point on the circle (either B, C or M). Since AB and AM aren't mentioned, this means that only AC is a radius of the four answer choices listed.