Parallel Lines and the Sum of the Angles

Tenth graders investigate the sum of the measures of the interior angles of a triangle.  In this geometry lesson, 10th graders construct a triangle and a line parallel to one of the sides of the triangle.  Using technology (Cabri Jr.), they investigate the sum of the measures of the angles.

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Resource Details

Grade
10th
Subjects
Math
1 more...
Resource Type
Lesson Plans
Instructional Strategy
Inquiry-Based Learning
Technology
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