maths  geometry
posted by Anonymous .
if the points A(1,2) B(2,3) C(3,2) and D(4,3) are the vertices of the paralleogram ABCD, then taking AB as the base, find the height of parallelogram.

The line AB is
y+2 = 5(x1)
5x  y  7 = 0
The distance from C to AB is
5(3)+(1)(2)7/√25+1) = 25/√26
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