VOCABULARY ARTS

IMPORTANT DEFINITIONS ABOUT ANGLES AND LINES

Paralelle lines:They are lines wich never intersect themselves,so all points are equidistance
Oblique :They are lines wich  are not paralelles noither perpendicular
Angles:It is a figured formed by two rays sharing a common endpoint
                           Types of angles
Complementary angles:they are angles couples of angles wich sum is 90º
Suplementary angles:they are couple of angles wich sum is 180º
Adyacent angles:they are angles that share one side and the vertex
Right angle: 90º
Obtuse angle: 120º
Flat:180º
Complete: 360º
                                The angle bisector
It´s an angle that divid´s in to parts equal
                                   Grade of angles
15º
30º
45º 
60º
120º
150º
                          Number of sides

1. Triangle(3)
2. Cuadrilateral(4)
3. Pentagon(5)
4. Hexagon(6)
5. Heptagon(7)
6. Octogon(8)
7. Decagon(10)
8. Dodecagon(12)

                            Types

• Concave
• Convex
• Star polygon
• Regular
• Irregular
• Inside Giving inside

                                                                   Elements

• Sides
• Diagonal
• Vertex
• Altitude

   Star  polygon:It´s a particular polygon case with a star shape

   Inscribed:They´re polygons place inside a circle

   Circunscribed:They´re polygons surrander a circle

• Equiangular:All their corners angles or vertex are equal
• Equilateral:All edges or lines are equal
• Regular:All there vertex,angles or lines are equal
• Irregular:Different angles and lenths for their sides

               IMPORTANT DEFINITIONS ABOUT TRIANGLES

Triangle:It´s a flat figure with three sides and three angles

Equilateral:3 sides equal
Isosceles :2 sides equal 1 unequal
Scalen:3 sides unequal
Right:1 agle of 90º
Acute:3 anles minor of 90º
Obtuse:1 angle greater of 90º