GEOMETRY: It is an area of a knowledge which studies any elements and operations. On/in the plane such us points.
POINT: Is it place or location where two lines intersect.
LINE: It is a one dimensional object form of infinite points. It has not end and continues on forever in the plane.
RAY: It is a line which begins at particular points and extends endlessly in the plane.
PROTRACTOR: Is it an instrument for measuring drawing angles paper usually a flat semicircular plastic transparent.
SET SQUARES/TRIANGLES: They are two specials rules with a triangular shapes. One is called 45 triangle and the other called 30/60 triangle.
ERASER: Is it an object use for eraser the mistakes.
RULER: Is it an instrument use to draw a straight lines.
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