which statements are true about the regular polygon? select three options. the sum of the measures of the…

which statements are true about the regular polygon? select three options. the sum of the measures of the interior angles is 900°. each interior angle measures 108°. all of the angles are congruent. the polygon is a regular hexagon. the sum of the measures of the interior angles is 180(5 - 2)°.

which statements are true about the regular polygon? select three options. the sum of the measures of the interior angles is 900°. each interior angle measures 108°. all of the angles are congruent. the polygon is a regular hexagon. the sum of the measures of the interior angles is 180(5 - 2)°.

Answer

Answer:

  • The sum of the measures of the interior angles is $180(5 - 2)^{\circ}$.
  • Each interior angle measures $108^{\circ}$.
  • All of the angles are congruent.

Explanation:

Step1: Identify the polygon type

The polygon has 5 sides, so it's a pentagon.

Step2: Use interior - angle sum formula

The sum of interior angles of an $n$-sided polygon is $S = 180(n - 2)$. For $n = 5$, $S=180(5 - 2)=540^{\circ}$, so the statement "The sum of the measures of the interior angles is $180(5 - 2)^{\circ}$" is true.

Step3: Calculate each interior - angle measure

For a regular pentagon, each interior angle $\theta=\frac{180(n - 2)}{n}=\frac{180\times(5 - 2)}{5}=108^{\circ}$, so "Each interior angle measures $108^{\circ}$" is true.

Step4: Recall property of regular polygons

In a regular polygon, all angles are congruent, so "All of the angles are congruent" is true. And it's a pentagon not a hexagon, so "The polygon is a regular hexagon" is false.