Gateway Arch Revisited - Section 4: Revisiting the Gateway Arch

 
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Re-Examining Reflections

Unit 3: Congruence and Rigid Motions
Lesson 9 of 17

Objective: SWBAT accurately describe or draw the result of reflecting a figure. Students will understand a precise definition of reflection in terms of segments and perpendicular lines.

Big Idea: Students learn the properties of reflections by constructing one. They use these properties to solve problems involving the Gateway Arch in St. Louis.

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