1. Given the vertices of the triangle ABC: A (x1, y1), B (x2, y2), C (x3, y3). Search:

a) side of the equation AB

b) the height of the equation CH

c) The median equation AM

d) the point of intersection of the median N AM and height CH

e) The equation of the line passing through the top with parallel sides AB

e) the distance from the point C to the line AB


1.16 A (6, -9) B (10, -1) C (-4, 1)


2. Solve the following problems.

2.16 Write the equation of height, passing through the top of the triangle ABC, knowing his side of the equation: AB - 2x - y - 3 = 0, AC - x + 5y - 7 = 0, BC - 3x - 2y + 13 = 0.

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