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CBSE Notes 2011-2012 » XI-Maths

# Straight Lines

## For what values of x, the area of the triangle formed by the points (5,-1), (x,4) and (6,3) is 5.5 s...

For what values of x, the area of the triangle formed by the points (5,-1), (x,4) and (6,3) is 5.5 sq. units ?

## Determine whether the line joining the following points are parallel, perpendicular or neither : (i)...

Determine whether the line joining the following points are parallel, perpendicular or neither :
(i) (3,7), (1,4) and (-2,4), (0,3) (ii) (1,4), (3,6) and (-1,5), (2,8)
(iii) (3,2), (4,5) and (2,3), (5,2). (iv) (0,0), (6,7) and (0,0), (7,6).

## Find the value of 6p' such that the line passing through the points (-4,p) and (1,3) is (i) parallel...

Find the value of 6p' such that the line passing through the points (-4,p) and (1,3) is (i) parallel (ii) perpendicular to the line passing through the points (-2,5) and (8,7).

## What point on x-axis is equidistant from the points A (1,3) and B (2,-5) ?

What point on x-axis is equidistant from the points A (1,3) and B (2,-5) ?

## The opposite angular points of a square are (2,0) and (5,1). Find the remaining points. 