Question

4 EZ GEOMETRY QUESTIONS FOR 20 POINTS!

Answer 1

Answer:

1. use the formula

$(n-2)180$

$(20 - 2)180\\18 * 180 = 3240$

2. use the formula

$360/n\\360/12\\n = 30$

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: