Rotational symmetry

12 questions

1. The transformation that turns an an object around a fixed point is called ___.
2. The ___ is the fixed point about which an object is rotated.
3. There are exactly five equal sized angle around a point. Each angle is ___°.
4. Which quadrilateral is always regular?
5. The arrow on the left can be rotated ___° clockwise to create the arrow on the right.
6. The rectangle ACDB is rotated to give rectangle D'B'A'C'. The angle of rotation is ___°.
7. Rotational ___ describes when a shape appears the same after some rotation.
8. An equilateral triangle has rotational symmetry of order ___.
9. A scalene triangle has rotational symmetry of order ___.
10. Which of these quadrilaterals always has rotational symmetry of order 4?
11. The wheel in this picture has rotational symmetry of order ___.
12. Starting with the lowest, order these shapes according to their order of rotational symmetry.

License: OGL