Question

Define and represent. a)Radius. b)Chord. c)Sector and segment of a circle.​

Answer 1

1. radius of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length. The name comes from the Latin radius, meaning ray but also the spoke of a chariot wheel.
2. A chord of a circle is a straight line segment whose endpoints both lie on the circle.
3. The number of square units it takes to exactly fill a sector of a circle.
4. A scular segment is a region of two-dimensional space that is bounded by an arc (of less than 180°) of a circle and by the chord connecting the endpoints of the area

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