Not sure if the math is correct but I think that it is $199.5
Given a regular 20-gon ( a 20 sided polygon )
The measure of each interior angle will be given by:

where n is the number of sides
Substitute with n = 20
So, the measure of each interior angle =

The sum of exterior angles = 360
So, the measure of each exterior angle = 360/20 = 18
I believe it's "-1" hope I helped
Answer: i think it is a circle
Step-by-step explanation: because on the top and bottom its circle
The digit 6 is in the Hundred Thousand Place.