- Each interior angle measures 108°.
- All its angles are congruent.
- Sum of the measures of the interior angles is 180(5 – 2)°
What is a Regular Polygon?
A regular polygon has equal side lengths and congruent interior angles.
The sum of the interior angles of any regular polygon is determined using the formula: (n - 2)180, where n is the number of sides.
Thus, given polygon GHIJK has 5 sides, we would have the following:
The polygon is a regular pentagon.
Sum of all its interior angles = (5 - 2)180 = 540°.
Each interior angle = 540/5 = 108°
Therefore, the statement that is true about the regular polygon are:
- Each interior angle measures 108°.
- All its angles are congruent.
- Sum of the measures of the interior angles is 180(5 – 2)°
Learn more about regular polygon on:
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