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What's on the worksheet
- Fill in the corresponding parts of two congruent triangles and pick equivalent congruence statements.
- Write always, sometimes or never for each statement about congruence.
- Explain why Kofi's two garden beds are congruent and write the congruence statement.
- Find every possible position of F for congruent triangles on coordinates.
- Find the other two vertices of a rectangle carried by a rotation and explain why there is one answer.
- Decide whether every rigid motion between two congruent triangles must include a reflection.
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The free lesson teaches it with worked examples and practice problems.
Rigid motions and congruence: the lesson ›More Chapter 3 worksheets: Transformations and symmetry
- 3.1Rigid motions defined precisely, and what they preserve
- 3.2Rotating about a point other than the origin
- 3.3Two reflections in a row
- 3.4Rotational and point symmetry
- 3.5Transformational proof
- 3.6Translations
- 3.7Reflections
- 3.8Rotations
- 3.9Composing transformations
- 3.10Rigid motions and congruence