Quadrilateral Inscribed in a Circle
What does the measure of arc BCD + arc BED equal? Why?
360
What is the intercepted arc of angle C?
arc BED
What is the intercepted arc of angle E?
arc BCD
Based on the above responses what do you think is the relationship between angle C and angle E? Why?
They are supplementary because their sum must be half of 360.
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Information: Quadrilateral Inscribed in a Circle