Area of Hexagon Formula - Explanation, Types, Solved Examples and FAQs

Area of Hexagon Formula - Explanation, Types, Solved Examples and FAQs

Team Careers360Updated on 02 Jul 2025, 05:19 PM IST

Area of hexagon formula

A hexagon is a polygon which has six sides and six angles. The word hexagon is derived from the Greek words “Hexa” and “gonia” which means “six” and “corner” respectively. There are two types of a hexagon:

This Story also Contains

  1. Table of contents
  2. Area of regular hexagon formula
  3. Area of regular hexagon using apothem
  4. Area of irregular hexagon
  5. Examples

Regular hexagon: All the sides and all the angles of a regular hexagon are of equal value. The order of rotational symmetry of a regular hexagon is six. It is composed of six equilateral triangles.

  • Irregular hexagon: All the sides and angles of an irregular hexagon are not the same.

  • The area of a hexagon is the space contained inside its sides. The area of a hexagon can be calculated in a number of different ways. The various techniques primarily depend on the way of splitting of the hexagon. We shall examine numerous approaches to calculating the area of a hexagon in this article.

    Table of contents

    • Area of regular hexagon formula

    • Area of regular hexagon using apothem

    • Area of irregular hexagon

    • Examples

    • FAQs

    Area of regular hexagon formula

    Area of a regular hexagon can be calculated by dividing the hexagon into six equilateral triangles. After dividing the hexagon into triangles, we compute the area of one equilateral triangle and multiply it by six to get the area of the hexagon.

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    Area of equilateral triangle is given by the following formula:

    Area\: of \: equilateral\: triangle=\frac{\sqrt3}{4}a^2

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    Where, a is the length of the side of the equilateral triangle.

    Since, the area of the hexagon is six times the area of the triangle we get the formula of area of hexagon as:

    Area\: of\: hexagon=\frac{3\sqrt3}{2}a^2

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    Commonly Asked Questions

    Q: Can you explain how to derive the area formula for a regular hexagon?
    A:
    The derivation involves dividing the hexagon into six equilateral triangles. The area of each triangle is (√3 * s^2) / 4, where s is the side length. Multiplying this by 6 gives the hexagon's area: (3√3 * s^2) / 2.
    Q: What's the relationship between a hexagon's area and its perimeter?
    A:
    For a regular hexagon, the area (A) and perimeter (P) are related by the formula A = (P^2) / (24 * tan(30°)). This shows how increasing the perimeter affects the area, an important concept in optimization problems.
    Q: Why is the area of a hexagon often expressed in terms of √3 rather than a decimal approximation?
    A:
    Using √3 keeps the answer in exact form, preserving precision for further calculations. It also maintains the connection to the hexagon's geometry, as √3 relates to its 60° angles.
    Q: How does the concept of symmetry play a role in hexagon area calculations?
    A:
    A regular hexagon's six-fold rotational symmetry allows us to calculate its area by finding the area of one triangular section and multiplying by 6, simplifying the process and highlighting geometric symmetry's practical applications.
    Q: How does the area of a hexagon compare to that of a square with the same side length?
    A:
    A hexagon's area is larger than a square with the same side length. The ratio is approximately 2.598:2, showing how shape affects area even with equal side lengths.

    Area of regular hexagon using apothem

    Area of equilateral triangle using the height of the triangle is given by:

    Area\: of \: equilateral\: triangle=\frac{1}{2}ah

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    Where, h is the height of the equilateral triangle and a is the base of the triangle.

    Since, the area of the hexagon is six times the area of the triangle we get the formula of area of hexagon as:

    Area\: of\: hexagon=3ah

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    The perimeter of a hexagon is equal to six times the side of the hexagon. Hence, the perimeter ‘p’ is equal to 6a.

    Using the perimeter of the hexagon, the area of hexagon can be calculated by the following formula:

    Area\: of\: hexagon=\frac{1}{2}ph

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    Commonly Asked Questions

    Q: Why does the formula for a regular hexagon's area involve √3?
    A:
    The √3 comes from the trigonometry of the hexagon. It represents the ratio between the apothem (distance from center to midpoint of a side) and half the side length, which is key to calculating the area.
    Q: Can you explain the concept of apothem in relation to hexagon area?
    A:
    The apothem is the perpendicular distance from the center of a regular hexagon to any of its sides. It's crucial for area calculation as it forms the height of the six equilateral triangles that make up the hexagon.
    Q: How does inscribing a circle in a hexagon affect area calculations?
    A:
    An inscribed circle touches all six sides of the hexagon. Its radius is equal to the apothem of the hexagon, which is a key component in calculating the hexagon's area, showing the interconnection between these geometric concepts.
    Q: What's the difference between using side length and radius in hexagon area calculations?
    A:
    Side length (s) and radius (R) are related in a regular hexagon: R = s. The choice between formulas using s or R depends on the given information, but both lead to the same result.
    Q: How does the area of a hexagon relate to the area of an equilateral triangle?
    A:
    A regular hexagon can be divided into six equilateral triangles. Its area is exactly six times the area of one of these triangles, showcasing the relationship between these shapes.

    Area of irregular hexagon

    There is no precise formula for determining the area of an irregular hexagon. The area of an irregular hexagon can be calculated by partitioning it into several shapes like squares, rectangles and triangles. The area of these shapes can be calculated individually and then summed up to determine the area of the hexagon.

    Commonly Asked Questions

    Q: How does the formula for the area of a regular hexagon differ from an irregular one?
    A:
    The formula for a regular hexagon (all sides equal) is A = (3√3 * s^2) / 2, where s is the side length. For irregular hexagons, the area is typically calculated by dividing the shape into triangles and summing their areas.
    Q: What is a hexagon and why is its area important?
    A:
    A hexagon is a six-sided polygon. Understanding its area is crucial in various fields, from architecture to engineering, as it helps in calculating space, material requirements, and optimizing designs.
    Q: How does the area of a hexagon change if you double its side length?
    A:
    If you double the side length of a hexagon, its area increases by a factor of 4. This is because the area is proportional to the square of the side length, demonstrating the concept of scaling in geometry.
    Q: Why is the hexagon considered an efficient shape in nature?
    A:
    Hexagons are efficient because they tessellate (fit together without gaps) and provide maximum area for a given perimeter. This efficiency is seen in beehives and other natural structures, relating geometry to real-world applications.
    Q: Can you explain how to calculate the area of a hexagon using trigonometry?
    A:
    Using trigonometry, we can find the area by calculating (6 * ½ * s^2 * sin(60°)), where s is the side length. This method uses the sine function to determine the height of the equilateral triangles forming the hexagon.

    Examples

    Example 1: Find the area of a regular hexagon with side length equal to 5m.

    Answer: Given, side of hexagon (a) = 5m.

    Therefore,

    Area\: of\: hexagon=\frac{3\sqrt3}{2}a^2\\

    =\frac{3\sqrt3}{2}5^2m^2\\

    =64.95m^2

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    Example 2: If the length of side of a regular hexagon is equal to 4m and the length of apothem is equal to 3.464m then, find the area of the hexagon.

    Answer: Given, the length of side (a) = 4m

    The length of apothem (h) = 3.464m

    The area of hexagon is given by:

    Area\: of\: hexagon=3ah\\

    =3 \times 4 \times 3.464 m^2\\

    =41.568 m^2

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    Example 3: Find the side of the regular hexagon whose area is equal to 260 sq. units.

    Answer: Given area is equal to 260 sq. units.

    Let the side of the hexagon be a. Then,

    Area\: of\: hexagon = \frac{3\sqrt3}{2}a^2\\

    \frac{3\sqrt3}{2}a^2 = 260\\

    a= 10\: units

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    Commonly Asked Questions

    Q: How can you use hexagon area to solve real-world problems?
    A:
    Hexagon area calculations are used in various fields: in architecture for designing structures, in engineering for optimizing material use, and in nature studies for understanding honeycomb structures, showing the practical applications of this geometric concept.
    Q: How can you find the side length of a hexagon if you only know its area?
    A:
    To find the side length (s) from the area (A), use the formula s = √((2A) / (3√3)). This involves solving the area formula for s, demonstrating algebraic manipulation of geometric formulas.
    Q: How does the area of a hexagon change if you increase all its sides by 1 unit?
    A:
    Increasing each side by 1 unit increases the area non-linearly. The new area would be (3√3 * (s+1)^2) / 2, where s is the original side length. This demonstrates how small changes in dimensions can significantly affect area.
    Q: How does understanding hexagon area contribute to the study of optimization problems?
    A:
    Hexagons are often used in optimization problems due to their efficiency in covering area with minimal perimeter. Understanding their area helps in solving problems like efficient packing or minimizing material use in engineering designs.
    Q: What's the significance of the hexagon in crystallography and how does its area play a role?
    A:
    In crystallography, hexagonal close packing is a common atomic arrangement. Understanding hexagon area is crucial for calculating atomic densities and predicting material properties, linking geometry to material science.

    Frequently Asked Questions (FAQs)

    Q: What's the significance of hexagon area in the study of cellular automata and Conway's Game of Life?
    A:
    Many cellular automata, including Conway's Game of Life, use hexagonal grids. Understanding hexagon area is crucial for analyzing patterns and behaviors in these systems, connecting geometry to computational and complexity theory.
    Q: How can the study of hexagon area lead to discussions about the nature of proof in mathematics?
    A:
    Deriving the hexagon area formula provides an excellent opportunity to discuss different types of mathematical proofs (geometric, algebraic, trigonometric). This helps students understand the rigor and logic behind mathematical truths.
    Q: What role does hexagon area play in the design of soccer balls and other sporting equipment?
    A:
    Soccer balls typically use a combination of hexagons and pentagons. Understanding hexagon area is crucial for designers to ensure proper inflation, ball roundness, and flight characteristics, showing practical applications of geometry in sports.
    Q: How does the study of hexagon area contribute to understanding geometric probability?
    A:
    Problems involving randomly placed points in hexagons introduce geometric probability concepts. The hexagon's area is crucial in calculating probabilities, linking geometry to probability theory.
    Q: Can you explain how hexagon area relates to the study of quasicrystals?
    A:
    Quasicrystals often exhibit pentagonal and decagonal symmetries, which can be studied using hexagonal grids. Understanding hexagon area aids in analyzing these complex structures, connecting basic geometry to advanced materials science.
    Q: What's the connection between hexagon area and the golden ratio?
    A:
    While the golden ratio is not directly involved in hexagon area calculations, comparing the areas of nested hexagons can lead to interesting ratios, providing a gateway to discuss various mathematical constants and their occurrences in geometry.
    Q: How does the concept of hexagon area extend to three-dimensional analogues like hexagonal prisms or truncated octahedra?
    A:
    The area of a hexagon becomes a crucial component in calculating the surface area and volume of 3D shapes like hexagonal prisms. This extension helps bridge the gap between 2D and 3D geometry.
    Q: What's the connection between hexagon area and the study of honeycombs in nature?
    A:
    Honeybees build hexagonal cells to maximize storage space while minimizing building material. Understanding hexagon area helps explain why this shape is optimal, connecting geometry to biological efficiency.
    Q: How can you use hexagon area to introduce the concept of dimensional analysis?
    A:
    The units in hexagon area calculations (length squared) provide a good opportunity to discuss dimensional analysis. This helps students understand how units behave in calculations and the importance of consistency in physical measurements.
    Q: Can you explain how hexagon area relates to the study of fractals?
    A:
    Hexagonal fractals, created by repeatedly replacing hexagons with smaller hexagons, demonstrate how area changes across different scales. This introduces concepts of self-similarity and scaling in fractal geometry.