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Co ordinate geometry formula

Answer» Area of triangle 1/2 ( X1 (y2-y3) + x2 (y3-y1) + x3 (y1-y2) )
Mid point formulae x1+x2 / 2 , y1+y2/2
Section formulae for X = m1× X2 + m2 × X1 / m1 + m2 For Y = m1 × Y2 + m2 × Y1 / m1 + m2
Distance formulae = under root (x1-x2 )whole sq + (y1-y2)whole sq


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