A regular polygon has 23 sides.
Find the size of each interior angle.

Step-by-step explanation:

exterior angle = 360/23 = 15 15/23

Inetrior angle = 180- 15 15/23 =

Always sum of all exterior angle of any regular polygon is 360

Inetrior angle and exterior angle are linear pair

It cost $204 (with the tip)

Step-by-step explanation:

You got $30 off, leaving you with $170 to pay.

15% into 0.15

200x0.15= 30

200-30= 170

The tip was $34.

20% into 0.20

170x0.20=34

In total, with the tip it cost you $204