Line DE and DF are chords, angle DCF is a central angle while angle DEF is an inscribed angle.
What is a circle?
A circle is the locus of a point such that its distance from a fixed point known as the center is constant.
Chord is a straight line running across the circumference. Central angle are angles subtending from circle center.
Line DE and DF are chords, angle DCF is a central angle while angle DEF is an inscribed angle.
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