Question

I'm don't understand polygons, as you should know

Answer 1

Answer:

540°

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

Here n = 5, thus

sum = 180° × 3 = 540°

Answer 2

Answer:

it is a 5 dimentional plane