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In the circle, segment AB subtends both angle APB and angle AQB at the circumference. Thus the term, angle in the same segment. Keeping angle APB constant. Drag point Q to a different location along major arc AB. Observe the value of angles AQB and APB? Now, drag points A or B. What do you observe of angles AQB and APB?
What happens when P and Q are on opposite sides of segment AB? |