MEANINGS / DEFINATIONS:
- Line segment : A line between two end points.
- Line : When a line segment extends indefinitely on both sides it is called a line.
- Intersecting lines : Two distinct lines meeting at a point are called intersecting lines
- Parallel lines : Two lines in a plane that have equal distance between them and do not meet are called parallel lines
- Ray : A ray is a position of line starting at a point and going in one direction endlessly
- Curve : Any drawing done without lifting the pencil may be called a curve
- Polygon : A polygon is a closed curve made up of line segments
- Angle: An angle is made up of two rays starting from a common point
- Triangle : A three sided polygon
- Quadrilateral : A four sided polygon
- Circle : A circle is a simple closed curve, that is not a polygon
What do u mean by the following:
Centre : A fixed point that has equal distance from every point on the circumference of a circle
Radius : A line segment drawn from the center of the circle to any point on the circle
Diameter : A line segment passing through the centre of the circle and ending on the two opposite sides of the circumference.
Chord: A line segment joining any two points on the circle.
Arc : A part of the circumference of a circle
Sector: It is the region in the interior of a circle enclosed by an arc on one side and a pair of radii on the other two sides
Segment: A region in the interior of a circle enclosed by a chord and an arc.
Circumference: It is the distance around a circle.