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Mathematics 15 Online
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moreso:

From the diagram we can conclude the following 1. arc_DAB = 43*2 2. arc_DCB + arc_DAB = 360 3. <A = arc_DCB Can you solve it now?

celticcat:

Hint:- Opposite angles of a quadrilateral inscribed in a circle add up to 180 degrees

Falconmaster:

^trust them

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