Chapter 9
Circles
Central and inscribed angles, the angle in a semicircle, cyclic quadrilaterals, and the properties of chords — equal chords, the perpendicular bisector, and intersecting chords.
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Chapter 9
Central and inscribed angles, the angle in a semicircle, cyclic quadrilaterals, and the properties of chords — equal chords, the perpendicular bisector, and intersecting chords.