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Hexagonal Pyramid Calculator

Calculate the surface area, lateral area, volume, slant height, and base properties of a regular hexagonal pyramid from edge length and height.

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Formula

V = (√3/2) × a² × h, SA = (3√3/2)a² + 3a√(h² + 3a²/4)

A regular hexagonal pyramid has a regular hexagon base with edge length a and height h. The base area is (3√3/2)a². Volume is (1/3) × base area × height. The lateral area consists of 6 congruent triangular faces.

Worked Example

Base Edge: 4, Height: 10 Step 1: Base area = (3√3/2) × 16 = 41.569 Step 2: Apothem = (√3/2) × 4 = 3.464 Step 3: Slant height = √(100 + 12) = 10.583 Step 4: Lateral area = 3 × 4 × 10.583 = 126.996 Step 5: Total SA = 168.565 Step 6: Volume = (1/3) × 41.569 × 10 = 138.564

What Is a Hexagonal Pyramid?

A hexagonal pyramid is a three dimensional geometric shape characterized by a hexagonal base and six triangular faces that meet at a single point called the apex. The "regular" in regular hexagonal pyramid means its base is a regular hexagon, where all six sides and angles are equal, and its apex is directly above the center of the base. This symmetry is crucial for many calculations involving its dimensions. Key components include the base edge length (a), which defines the size of the hexagonal base, and the pyramid height (h), representing the perpendicular distance from the apex to the center of the base. Another important dimension is the slant height, which is the height of each triangular face from the midpoint of its base edge up to the apex. Understanding these elements is fundamental to calculating the pyramid's volume, which measures the space it occupies, and its surface area, which is the total area of all its faces, including the base. Its unique shape offers interesting challenges and applications in design and engineering.
  • A hexagonal pyramid has a six-sided base and six triangular lateral faces.
  • Its volume is calculated using the base area and the perpendicular height.
  • The slant height is essential for determining the lateral surface area of the triangular faces.
  • Regular hexagonal pyramids feature a symmetrical base and an apex directly above its center.

Understanding these fundamental properties allows for precise calculations in fields like architecture, engineering, and product design. Use our Hexagonal Pyramid Calculator to quickly explore different dimensions and their resulting values.

You can also calculate changes using our Polygon Angle Calculator or Semicircle Calculator.

Frequently Asked Questions

What is the surface area of a hexagonal pyramid?

Total surface area = base area + lateral area. Base area = (3√3/2)a². Lateral area = 6 × (½ × a × slant height). The slant height is √(h² + apothem²) where apothem = (√3/2)a.

How do you find the lateral area?

The lateral area consists of 6 congruent triangular faces. Each triangle has base a and height equal to the slant height. Lateral area = 3 × a × slant height.

What is the difference between height and slant height?

Height (h) is the perpendicular distance from the apex to the base center. Slant height is the distance from the apex to the midpoint of a base edge, measured along a lateral face.

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