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.