• Aug 18, 2025 arcs and sectors key intercepted arc is called a sector. Properties of Sectors The area of a sector is proportional to the central angle. Sectors are often used to model parts of circular regions, such as pie charts and circular diagrams. Calculating the Area of a Sector By Judy Feil
• Jul 26, 2025 arcs and angles answers ircle. Radius (r): The distance from the center to any point on the circle. Diameter (d): The longest chord passing through the center, equal to twice the radius (d = 2r). Chord: A line segment connecting two points on the c By Charley Schuster
