1. a. Letters with a vertical axis of symmetry are M A T and H

b. The only letter with a horizontal axis of symmetry is H

2. Letters with rotational symmetry of order 2 are and S


Note that 3 c. is not a REGULAR hexagon and that parallelograms (3 d.) have NO axes of symmetry.


5. Possible answers are:

6. a. False. An equilateral triangle has axes of symmetry.
b. False. A rectangle has an order of rotational symmetry of 2.
c. True.