SOLUTION: The angle subtended by a chord at the centre of a circle is

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Question 985805: The angle subtended by a chord at the centre of a circle is
Answer by ikleyn(52797)   (Show Source): You can put this solution on YOUR website!

90°

(because it leans the arc of  180°).


  Figure.  An inscribed angle
leaning on the diameter is a right angle

See the lesson An inscribed angle in a circle in this site.


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