1.

The vertices of a triangle are A(3, 4), B(2, 0) and C(- 1, 6). Find the equations of the lines containing : Side BC

Answer»

Equation of the line in two point form is \(\frac {y-y_1}{y_2-y_1} = \frac {x-x_1}{x_2-x_1}\)

∴ The equation of the side BC is \(\frac {y-0}{6-0} = \frac{x-2}{-1-2}\)

\(\frac {y}{6} = \frac {x-2}{3}\)

∴ – 3y = 6x – 12 

∴ 6x + 3y – 12 = 0 

∴ 2x + y – 4 = 0



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