Answer:
18 sides
Step-by-step explanation:
Each exterior angle of a regular polygon = 20 deg. So the polygon has 360/20 = 18 sides
Answer:
Quadratic, 16, 18, 6
Step-by-step explanation:
Did this assignment myself
Answer:
4m +2
Step-by-step explanation:
The perimeter of a square is 4 times the length of the side:

The perimeter of the square is 4m+2 units.