ABCD is a cyclic quadrilateral . O is the center of the circle and <AOC =150° then find <CBD
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Step-by-step explanation:
angle AEC=1/2angleAOC
1/2×150
75°
angleAEC+angleABC=180°
75°+X°=180°
x°=180°-75°
105°
now, angleABC+angleCBD=180°
105°+x°=180°
x°=180°-105°
x=75°
answer..........
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