IMPORTANT DEFINITIONS ABOUT ANGLES AND LINES

Parallels: They are lines wich never intersect them selves so all their points are equidistants.

Perpendicular: They are lines wich meet forming four right angles.

Oblique: They are lines wich are not parallels neither perpendicular

Angle: It's a figure formed by two rays sharing a common endpoint.

TYPES OF ANGLES:

-Complementary angles: They are couples of angles wich sum is 90 grades.

-Suplementary angles: They are couples of angles wich sum is 180 grades.

-Adyacent angles: they are angles that share one side and the vertex.