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The Euler Line

Tenth graders explore the Euler Line.  In this geometry lesson, 10th graders use Cabri Jr. to construct the circumcenter, incenter, orthocenter, and centroid of a triangle.  Students examine the four points and construct a line, the Euler line, that passes through three of the four points.  Students determine which point should be excluded and examine the conditions under which all four points would lie on the line. 

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Resource Type
Lesson Plans
Instructional Strategy
Inquiry-Based Learning
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