Question

is this shape a regular polygon?
yes
no
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work it out
not feeling ready yet? these can help:
is it a polygon?
regular and irregular polygons
number of sides in polygon

Explanation:

Step1: Recall regular polygon definition

A regular polygon has all sides equal and all interior angles equal.

Step2: Check side lengths

All sides are labeled 100, so sides are equal.

Step3: Check interior angles

All angles are \(120^\circ\), so angles are equal.

Step4: Confirm polygon type

Since all sides and angles are equal, it meets the regular polygon criteria.

Answer:

yes