Polygon Constructions

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Presentation transcript:

Polygon Constructions Lesson 7.7 Polygon Constructions pp. 298-303

Objectives: 1. To justify the construction of a perpendicular to a line through a given point on the line. 2. To construct congruent polygons by constructing congruent triangles within the polygons.

Objectives: 3. To construct congruent triangles using any of the triangle congruence theorems. 4. To construct a line parallel to a given line through a point not on the given line.

Homework pp. 300-303

■ Cumulative Review Give a method of proving that two angles are congruent as directed. 24. using parallel lines

■ Cumulative Review Give a method of proving that two angles are congruent as directed. 25. using two triangles

■ Cumulative Review Give a method of proving that two angles are congruent as directed. 26. using one triangle

■ Cumulative Review Give a method of proving that two angles are congruent as directed. 27. using related angles

■ Cumulative Review Give a method of proving that two angles are congruent as directed. 28. using a special kind of angle

■ Cumulative Review Give a method of proving that two angles are congruent as directed. 29. using parallelograms

■ Cumulative Review 30. Give two methods of proving that two angles are not congruent.