An angle less than 90° is called an acute angle.The common origin is called the vertex and the two rays are the sides of the angle.Ĭongruent angles: Two angles are said to be congruent, denoted by if it divides the interior of the angle into two angles of equal measure. Lines which are parallel to the same line are parallel to each other.Īngles: An angle is the union of two non-collinear rays with a common origin.If two lines are perpendicular to the same line, they are parallel to each other.Every point on the perpendicular bisector of a segment is equidistant from the two endpoints of the segment.intersect at 900 and passes through the midpoint of die segment is called the perpendicular bisector of the segment A line which is perpendicular to a line segment, i.e.A line, which intersects two or more given coplanar lines in distinct points, is called a transversal of the given lines.Two or more lines are said to be coplanar if they lie in the same plane, otherwise they are said to be non-coplanar.Three or more points are said to be collinear if they lie on a line, otherwise they are said to be non-collinear.Perpendicular lines: Two lines, which lie in a plane and intersect each other at right angles are called perpendicular lines. The distance between two parallel lines is constant. Parallel lines: Two lines, which lie in a plane and do not intersect, are called parallel lines. Line segment: A line with two end points is called a segment.
Ray:A line with one end point is called a ray.
It can be extended indefinitely in both directions.
0 kommentar(er)
