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They are not. The perpendicular bisectors of a triangle, for example, intersect at the orthocentre of the triangle. So perpendicular lines can be intersecting and conversely.
A bisector is a line (or line segment) which passes through the midpoint. You can have multiple lines intersect at this one point, and all of them will bisect the original line segment, since they pass through its midpoint. A perpendicular bisector passes through the midpoint, and also is perpendicular to the original line segment, so there will be only one of those.
parallel lines
They are the lines joining each of the vertices to the mid-points of the opposite sides. In an equilateral triangle, these lines are the medians, angle bisectors, altitudes and perpendicular bisectors of the sides - all in one!
yes, because perpendicular lines always intersect. all lines intersect unless they are parallel or on separate planes (skew)
one
Yes
They are not. The perpendicular bisectors of a triangle, for example, intersect at the orthocentre of the triangle. So perpendicular lines can be intersecting and conversely.
It is only applicable to a right angle triangle where the perpendicular lines meet at 90 degrees
A bisector is a line (or line segment) which passes through the midpoint. You can have multiple lines intersect at this one point, and all of them will bisect the original line segment, since they pass through its midpoint. A perpendicular bisector passes through the midpoint, and also is perpendicular to the original line segment, so there will be only one of those.
parallel lines
They are the lines joining each of the vertices to the mid-points of the opposite sides. In an equilateral triangle, these lines are the medians, angle bisectors, altitudes and perpendicular bisectors of the sides - all in one!
yes, because perpendicular lines always intersect. all lines intersect unless they are parallel or on separate planes (skew)
Any two intersecting lines (including perpendicular lines) will intersect at a single point.
A square is on example. The perpendicular bisectors of the sides and the two diagonals comprie four lines of symmetry.
yes they do
They bisect each other at 90 degrees. They are the perpendicular bisectors of each other.