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Angles of Polygons Calculator Online

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The Angles of Polygons Calculator is a sophisticated yet user-friendly digital tool designed to simplify the complex process of calculating the angles within various polygons, whether they are regular or irregular. This calculator provides two crucial pieces of information: the sum of the interior angles of a polygon and, for regular polygons, the measure of each interior angle. This functionality not only saves time but also enhances accuracy in geometric calculations, making it an essential resource for students, educators, and professionals alike.

Formula of Angles of Polygons Calculator

Understanding the calculations behind the Angles of Polygons Calculator requires familiarity with two fundamental formulas:

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Sum of Interior Angles:

This formula is universally applicable across all polygons, simplifying the process of determining the cumulative measure of all interior angles.

Number of sides = n Sum of interior angles = (n - 2) x 180°

Measure of Each Interior Angle (Regular Polygon):

Exclusively pertinent to regular polygons, this formula calculates the measure of each individual angle, assuming all angles (and sides) are equal.

Number of sides = n Measure of each interior angle = (n - 2) x 180° / n

General Terms Table

To further aid in the understanding and application of these formulas, the following table presents the sum of interior angles and the measure of each interior angle for common polygons:

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Number of Sides (n)Polygon NameSum of Interior AnglesMeasure of Each Interior Angle
3Triangle180°60°
4Quadrilateral360°90°
5Pentagon540°108°
6Hexagon720°120°
7Heptagon900°Approx. 128.57°

This table serves as a quick reference, eliminating the need for manual calculations or the use of a calculator for these commonly encountered polygons.

Example of Angles of Polygons Calculator

To illustrate the practical application of the Angles of Polygons Calculator, consider a hexagon (a six-sided polygon). Using the formula for the sum of interior angles:

Sum of interior angles = (6 - 2) x 180° = 720°

For a regular hexagon, the measure of each interior angle would be:

Measure of each interior angle = 720° / 6 = 120°

These calculations showcase the calculator’s utility in both academic settings and real-life applications, such as architectural design and engineering projects.

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Most Common FAQs

What is a Regular Polygon?

A regular polygon is a geometric figure with all sides and angles equal. This uniformity makes it easier to calculate the measure of each interior angle using the formula provided.

How Do You Calculate the Sum of Exterior Angles?

The sum of the exterior angles of any polygon is always 360°, irrespective of the number of sides. This is a constant value that doesn’t require calculation through the calculator.

Can the Calculator Determine the Angles of an Irregular Polygon?

While the calculator provides the sum of interior angles for any polygon, calculating the specific angles of an irregular polygon requires additional information, such as the lengths of sides or the measure of certain angles, which are beyond the calculator’s current capabilities.

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