Question

Suppose every interior angle in a regular polygon is approximately 128.57∘. What kind of polygon is this?

Answer 1

The polygon with 128.57° as every interior angle is a septagon.

How to determine the polygon

If the interior angle = 128. 57°

Using ( n-2) × 180 = sum of interior angles

Let's say n= 7

We have that,

(7-2) × 180 = 900

Let's find out the polygon

= 7 × 128.57

= 900

A polygon with seven sides is a septagon

Thus, the polygon with 128.57° as every interior angle is a septagon.

Learn more about polygons here:

brainly.com/question/1592456

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