1.

Find the orthocentre of the triangle with vertices (5,-2) (-1, 2) and (1.4)​

Answer»

Answer:

Let A = (5, -2), B= (-1, 2), C= (1, 4)

First write the equation of the line BC. TAKE any general point D on BC. FIND the equation of the line AD.

Use (Slope of AD)* (Slope of BC) = -1.

Do the same THING for line AB or AC.

Find the intersection point of the lines AD and AE (where E lies on AB or AC whichever you choose).

That intersection point will be your required orthocentre.



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