6.1 Angles at the Circumference and Central Angle Subtended by an Arc


(A) Properties of Circles Involving Symmetry, Chords and Arcs

 

(B) Identify the Properties of Chords
(1) A radius that is perpendicular to a chord divides the chord into two equal parts.
 
(C) Properties of Angles in Circles

(1)



(2)


(3)

(4)


(5)




 

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