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What's on the worksheet
- Decide whether a given turn maps a figure onto itself.order 8, turn 135°order 5, turn 150°order 12, turn 210°order 10, turn 252°order 9, turn 100°
- Decide when a carousel with 9 horses looks the same after the platform turns 982 degrees.
- List the angles of rotational symmetry for regular polygons with shapes added.
- Find the center of point symmetry of a quadrilateral and the missing vertex.
- Find which turns must map a figure with two mirror lines onto itself.
- Show a figure that maps onto itself under a turn must have point symmetry, and test another angle.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Rotational and point symmetry: 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