Chapter 10.5, Problem 43E

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6th Edition

Daniel C. Alexander + 1 other

ISBN: 9781285195698

Textbook Problem

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For

To determine

**To find:**

The coordinates of the orthocenter of

Explanation

The triangle

Let

The point of intersection of the altitudes is the orthocentre.

By theorem,

If two lines are perpendicular, then the product of their slopes is

(i.e.) If

Since

(i.e.)

Obviously the altitude

The slope of the line

Using the slope formula and choosing

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