Q. 2 B3.5( 4 Votes )

# Find the equation

Given:

Points A (0, 1), B(2, 0) and C(-1, -2).

Assuming:

m1, m2 and m3 be the slope of the sides AB, BC and CA, respectively.

Concept Used:

The slope of the line passing through the two points ( x1, y1) and ( x2, y2).

The equation of the line passing through the two points ( x1, y1) and ( x2, y2).

To find:

The equation of sides of the triangle.

Explanation:

m1 m2 , m3 m1 , m2 and m3= 3

So, the equation of the sides AB, BC and CA are

Formula used: y – y1= m (x – x1) , and y + 2 = 3(x+1)

x + 2y = 2, 2x – 3y =4 and 3x – y +1 = 0

Hence, equation of sides are x + 2y = 2, 2x – 3y =4 and 3x – y +1 = 0

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