Answer:
1. use the formula


2. use the formula

3. There is only one at 360 degrees
4. there are 6 rotational symmetries and the number of reflectional symmetries would be 6 as you can see:
Answer:
19x
Step-by-step explanation:
product means multiply
19*x
19x
Answer:
128
Step-by-step explanation:
well x be 128 cause their vertical angles
I would say answer chose C