IMPORTANT DEFINITIONS ABOUT POLYGONS

IMPORTANT DEFINITIONS ABOUT POLYGONS

STAR POLYGON: It is a particular polygon case with a star shape, created out of linking together non consecutive vertices of a regular polygon.

INSCRIBE POLYGON:  They are polygons place inside circles so all vertices of the polygon are placed on the circle.                                                                     

EQUIANGULAR: All their corners angles or vertices are equal.

EQUILATERAL: All edges or sides care of the same length.

REGULAR: All their vertices, angles and sides are equal.                              

IRREGULAR: Show different angles and  lengths for their sides.

CONVEX POLYGON: A line pass through the shape and only make 2 points.

CIRCUNSCRIBE: They are polygons surrounding a circle, being its sides tangent to the circle inside.  

COMPLEMENTARY ANGLES: They are cuples of angles which plus is 90º.

SUPLEMENTARY ANGLES: They are cuples of  angles which plus is 180º.

ADYACENTS ANGLES: They are angles that share one side and the vertex.

PARALLELS: They are lines which never intersect themselves so all their points are equidistant.

OBLIQUE: They are lines which aren´t parallels neither perpendicular.

ANGLE: It is a figure formed by two rays ( side of angles) shaving a common endpoint (vertex)

PERPENDICULAR: They are lines which meet forming four right angles.

CIRCLE: It’s a set of points at the same distance to a point called center.

CIRCUNFERENCE: Geometric figure bounded by a circle.

CENTER: It’s a point that have the same distance to any point of the circle.

RADIUS: It’s any segment that joins the center to any point on the circunference.

DIAMETER: It’s any segment that joins the Center to any point on the circunference.

CHORD: It’s a line segment which connects 2 points of the circle.

ARC: It’s a line segment of a circle.

LINE/THECNICAL DRAWING: It's a drawing with  th help of supplies. It's usually yhe kind of drawing used for architecture or  enginier plans.

COMPASS: It's a tool for drawing circles and arcs and also for measuring distances between points, consist of two arms linked by a hinge.

FREEHAND: Draw without guiding instruments, measurements.

PROTACTOR: An instrument for measuring of drawing angles on paper, usually a flat semicircular transparent plastic sheet graduates in degrees.

SET SQUARES: They are two especial rulers with a triangular shapes. One is called the 45º and the other is called 60º/30º  triangle. Both have the 90º angle and use for made angles and paralels lines.

ERASER: It can clear some draw making with pencil.

RULER: It's an object this object can measure centimetres and milimetres.

PROTACTOR: An instrument for measuring of drawing angles on paper, usually a flat semicircular transparent plastic sheet graduates in degrees.

FREEHAND: Draw without guiding instruments, measurements.

LINE .THECNICAL DRAWING: It's a drawing with  th help of supplies. It's usually yhe kind of drawing used for architecture or  enginier plans.

COMPASS: It's a tool for drawing circles and arcs and also for measuring distances between points, consist of two arms linked by a hinge.

PROTACTOR: An instrument for measuring of drawing angles on paper, usually a flat semicircular transparent plastic sheet graduates in degrees.

SET SQUARES: They are two especial rulers with a triangular shapes. One is called the 45º and the other is called 60ºor 30º  triangle. Both have the 90º angle and use for made angles and paralels lines.

ERASER: It can clear some draw making with pencil.

RULER: It's an object this object can measure centimetres and milimetres.

SELF-ASSESSMENT

• What can I do that I couldn't do before?
• I can speak more fast.
• What do I like most?
• I like the most the classes with Abby.
• What do I do well?
• I do well the writtings. 
• What am I confused about?
• I confused about listenings.
• What do I need help with?
• I need help in listenings. 
• What do I do in English outside the class?
• I can speak with english people.
• What do I need to improve?
• I need play games in english.
• What did I learn about culture?
• I learn Thanksgiving.