Q. 104.4( 13 Votes )
Find the relation between x and y if the points A(x, y), B(5, 7) and C( - 4, 5) are collinear.
As A, B and C are collinear
ar(△ABC) = 0
Using formula for a triangle if three points (x1, y1), (x2, y2) and (x3, y3) are given.
2x + 25 - 5y - 4y + 28 = 0
2x - 9y - 53 = 0
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Find the area of the quadrilateral whose vertices are
(1, 1), (7, -3), (12, 2) and (7, 21)KC Sinha - Mathematics
Find the area of the triangle whose vertices are