Condition of line to be parallel,perpendicular and intersecting.

Identify the given pair of lines as either parallel,perpendicular or intersecting.

Condition of parallel and perpendicular lines

Condition OF line being parallel || Perpendicular || Coincident || Line perpendicular to given line || Angle between two line when one is parallel to x & y axis

ABCD is a rectangle. overline (AC) and ‘overline (BD) are diagonals. Write the pairs of parallel lines, perpendicular lines and intersecting lines from the figure in symbolic form. a) Parallel lines, b) Perpendicular lines, c) Pair of intersecting lines.

ABCD is a rectangle.BarAC and bar BD.Write the pairs of parallel lines,perpendicular lines and intersecting lines from the figure in symbolic form. Perpendicular lines

ABCD is a rectangle. bar(AC) and bar(BD) are diagonals. Write the pairs of parallel lines, perpendicular lines and intersecting lines from the figure in symbolic form. Pair of intersecting lines

Prove that two lines that are respectively perpendicular to two intersecting lines intersect each other .

Prove that two lines that are respectively perpendicular to two intersecting lines intersect each other.

Prove that two lines that are respectively perpendicular to two intersecting lines intersect each other .

Examine which of the pair of lines are intersecting, parallel, perpendicular or coincident : x-y+1=0 and x+y+2=0