The vertices of a triangle are A(1,1),\ ...

The vertices of a triangle are `A(1,1),\ B(4,5)a n d\ C(6, 13)dot` Find `Cos\ Adot`

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The correct Answer is:

`(63)/(65)`

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ARIHANT MATHS ENGLISH-COORDINATE SYSTEM AND COORDINATES -Exercise For Session 2

If the distance between the points (a, 2) and (3, 4) be 8, then a equa...
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The three points (-2, 2), (8, -2) and (-4, -3) are the vertices of
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The distance between the points (3,pi/4) and (7,(5pi)/4)
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Let A(6, -1), B (1, 3) and C (x, 8) be three points such that AB = BC ...
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The points (a+1,1), (2a+1,3) and (2a+2,2a) are collinear if
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Let A=(3,4) and B is a variable point on the lines |x| =6. IF A Blt...
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The number of points on X-axis which are at a distance c units (c lt 3...
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The point on the axis of y which its equidistant from (-1, 2) and (3, ...
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Find the distance between the points (at(1)^(2), 2 at(1)) and (at(2)^(...
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If P and Q are two points whose coordinates are (a t^2,2a t)a n d(a/(t...
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Show that the points (3, 4), (8, -6) and (13, 9) are the vertices of a...
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Show that four points (0,-1),(6,7),(-2,3)a n d(8,3) are the vertices o...
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Find the circumcentre and circumradius of the triangle whose vertices ...
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The vertices of a triangle are A(1,1),\ B(4,5)a n d\ C(6, 13)dot Find ...
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The opposite vertices of a square are (2, 6) and (0, -2). Find the coo...
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If the point (x , y) is equidistant from the points (ab , b-a) and (a-...
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if a and bbetween 0 and 1 such that the points (a, 1). (1, b) and (0, ...
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An equilateral triangle has two vertices at the points (3, 4) and (-2,...
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If P be any point in the plane of square ABCD, prove that PA^(2)+PC^...
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